Answers
Answer:
is there paragraph or not ?
Explanation:
https://glaquarium.org/wp-content/uploads/2015/06/Final-Becoming-a-Scientist-Observation-and-Questions-Lesson-Plan.pdf
Related Questions
Why are electromagnetic waves used to transmit signals?
Answers
Because everybody who is trying to receive signals is using an electromagnetic wave receiver. If you used anything else to transmit your signals, the person looking for your signals would never know when they show up.
List 3 examples of chemical properties:
Answers
flammability, toxicity, acidity, reactivity (many types), and heat of combustion.
I hope this helps <3
If the same change in velocity occurs in less time, does the magnitude of the corresponding average acceleration increase, decrease, or stay the
same? Explain
Answers
Answer:
increase
Explanation:
As acceleration is the time rate of change of velocity
a = Δv/t
with t in the denominator, smaller time values result in greater acceleration values with constant velocity change.
ILS) Retake question
If you saw these 2 structures in a cell, you would definitely be looking at an animal
cell.
Answers
Answer:
lysosome,flagellum are the 2 structures in a cell
A water balloon is thrown toward a target at 18 m/s. If the water balloon has a mass of 0.4 kg, what is its
momentum?
A) 18.4 kg · m/s
B) 7.2 kg • m
C) 7.2 kg • m/s
D) 45 kg - m/s
Answers
The momentum of the water balloon is equal to: C) 7.2 kgm/s
Given the following data:
Velocity of water balloon = 18 m/sMass of water balloon = 0.4 kgTo determine the momentum of the water balloon:
In Physics, momentum refers to the multiplication of the mass of an object and its velocity. Thus, momentum is a vector quantity because it has both magnitude and direction.
Mathematically, momentum is given by the formula;
[tex]Momentum = mass \times velocity[/tex]
Substituting the given parameters into the formula, we have;
[tex]Momentum = 0.4 \times 18[/tex]
Momentum = 7.2 kgm/s
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How can you use the Pythagorean theorem to add two vectors that are not perpendicular?
Answers
Write a question you would like to see on a quiz to calculate NET FORCE.
Answers
Answer:
How do you find the net force?
Explanation:
i think this is want you asked for?
When an object is thrown horizontally into the air, which of the following information can be assumed of its motion? *
Vix is zero.
Viy is zero.
ax is -9.8m/s^2
Vfx is zero.
Vfy is zero.
ay is -9.8m/s^2
Answers
Answer:
The answer is ay is -,9.8m/s^2
Why does air pressure decrease with increasing altitude? (Select all that apply.)
Colder air is less dense.
The weight of the air below is smaller.
Less air above pushes down.
Hot air rises.
The weight of the air above is smaller.
There is more air below to push up more strongly
Answers
The air pressure decrease with increasing altitude as less air above pushes down and the weight of the air above is smaller.
When the temperature cools, molecules often slow down and they do not move and bump into each other.When altitude increases, the amount of gas molecules in the air also decrease.
The air becomes less dense than air nearer to sea level.
When the atmospheric pressure is high at lower altitudes, the density being higher.
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12. A coconut falls out of a tree 12.0 m above the ground and hits a bystander 3.00 m tall on the top of the head. It bounces
back up 1.50 m before falling to the ground. If the mass of the coconut is 2.00 kg, calculate the potential energy of the
coconut relative to the ground at each of the following sites:
(a) while it is still in the tree,
(b) when it hits the bystandlar on the head,
(c) when it bounces up to its maximum height,
(d) when it lands on the ground,
(e) when it rolls into a groundhog hole, and falls 2.50 m to the bottom of the hole,
Answers
Explanation:
hhhhgyyytttfghjhnjhhhhhhbbbbbbbbh
Vesta is a minor planet (asteroid) that takes 3.63 years to orbit the Sun.
Calculate the average sun -Vesta distance
Answers
Using Kepler's third law, the average sun -Vesta distance is 2.36 AU.
According to Kepler's laws, the square of the period of revolution of planets are proportional to the cube of their average distances from the sun. Hence, we can write; [tex]T^{2} =r^{3}[/tex]
Where;
T = period of the planet
r = average distance of the planet
When;
T = 3.63 years
r = [tex]\sqrt[3]{T^2}[/tex]
r = [tex]\sqrt[3]{(3.63)^2}[/tex]
r = 2.36 AU
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When heat is added to a solid how do its particles move
Answers
When a substance is heated, it releases energy, which causes the particles to become more active, vibrating, rotating, and even moving faster. If a substance has enough energy, it can overcome the bonding forces that hold the particles together and change state as a result.
50 Points Help Asap !!
Briefly describe V-T graph For every point please if its increasing if its flat or if its positive or negative help fast
Answers
#A
It's flat as no change can be seen on the graph of A part#B
Its increasing as the line goes up in B part.#C.
It's flat as no change can be seen on the graph of C part#D
It's decreasing as the graph goes down in D part.#E
It's decreasing as the graph goes down in E part#F
It's decreasing as the graph goes down in F part.#G
It's increasing as the graph goes up in G part.what is the approximate distance from the surface of the earth center 2900km 700km 50000km 6400km
Answers
Answer:
6400km is the closest
Explanation:
ou are pulling a 35 kg object with 18.4 N force which is oriented at 10 degree with ground. What is acceleration?
Answers
Answer:
Acceleration= 0.52 m/s²
Compare and contrast isometric and isotonic exercises. Provide two examples of each.
Answers
Answer:
Isometric exercises are static and great for people who suffer from joint pain. Isometric exercises, like planks, don't require you to move or bend any joints. Isotonic exercises, like squats, involve straining the muscles while moving the joints and applying a constant amount of weight.
Explanation:
Answer:
Isometric exercises are static and great for people who suffer from joint pain. Isometric exercises, like planks, don't require you to move or bend any joints. Isotonic exercises, like squats, involve straining the muscles while moving the joints and applying a constant amount of weight.
Explanation:
A different group is worried that the motion detector will not
effectively track the falling object, so they decide to roll a round
object down a ramp instead of dropping it. They measure the initial
height to calculate gravitational potential energy, use the motion
detector to track the final velocity, and calculate the kinetic energy of
the object at the end.
Despite all their careful measurements, it appears that energy is not
conserved! The object is not moving as fast at the bottom as the
initial gravitational potential would have led them to predict. Which
of the following suggestions is possible? Select all that apply.
Answers
The energy is not conserved because:
1. Energy may still be leaving the system through friction.
2. There could be measurement error that account for the missing energy
Given that a different group roll a round object down a ramp instead of dropping it. They measure the initial height to calculate gravitational potential energy, use the motion detector to track the final velocity, and calculate the kinetic energy of the object at the end.
Despite all their careful measurements, it appears that energy is not
conserved because
1. Energy may still be leaving the system through friction. In which the energy lost will be converted to thermal energy
2. There could be measurement error that account for the missing energy. The may occur due to systematic error or parallax error
The object is not moving as fast at the bottom as the initial gravitational potential would have led them to predict. This is not as a result of rotational energy. There is nothing like rotational energy.
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A rocket ship has several engines and thrusters. While the Solid Rocket Booster (SRB) and main engines only work together during the first 2 minutes of flight, the main engines operate for a total of 8.5 minutes after the launch. Once the SRBs are released, the main engines alone accelerate the rocket from about 1341 m/s to 7600 m/s.
What is the acceleration of the SRB and main engine during the first 2.0 minutes of flight?
A. 52 m/s2
B. 13 m/s2
C. 9.8 m/s2
D. 11 m/s2
Answers
A rocket ship is accelerated by the SRB and the main engines for 2.0 minutes and the main engines for 8.5 minutes after the launch. The acceleration of the ship during the first 2.0 minutes is 11 m/s² (D).
A rocket ship has several engines and thrusters. We can divide its initial movement into 2 parts:
From t = 0 min to t = 2.0 min, the SRB and the main engines act together and the speed goes from 0 m/s (rest) to 1341 m/s.From t = 2.0 min to t = 8.5 min, the main engines alone accelerate the ship form 1341 m/s to 7600 m/s.We want to know the acceleration in the first part (first 2.0 minutes). We need to consider that:
The speed increases from 0 m/s to 1341 m/s.The time elpased is 2.0 min.1 min = 60 s.The acceleration of the ship during the first 2.0 minutes is:
[tex]a = \frac{\Delta v }{t} ) \frac{(1341m/s-0m/s)}{2.0min} \times \frac{1min}{60s} = 11 m/s^{2}[/tex]
A rocket ship is accelerated by the SRB and the main engines for 2.0 minutes and the main engines for 8.5 minutes after the launch. The acceleration of the ship during the first 2.0 minutes is 11 m/s² (D).
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Option B.
Consider a setup in which two springs are attached to a mass in parallel.
Convince yourself that in this setup, the compression of each spring must be the same. Using
this fact, derive the effective spring constant for springs in parallel
This is asking, "ll1 replace the two springs by a single imaginary spring, what would its spring
constant be such that the force stays the same?" Your answer should only depend on k, and k
Answers
Answer:
it would be...
Explanation:
60 POINT!!!!!!
PLEASE HELP THIS WORK IS VERY IMPORTANT FOR ME
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Miranda found four different bottles filled with unknown pure liquids. She measured the mass, volume, and boiling point of these liquids, and calculated the density which are displayed in Table 1.
What conclusion can you make on whether any of the liquids are the same. Explain based on the information in the table.
Answers
Answer:
Samples 2 and 4 are the same liquid
Explanation:
Samples 2 and 4 should be the same liquid because they have the same density as well as the same boiling point. The mass and volumes given do not matter in this case, however they could be used to calculate the density which was already given.
The liquid present in sample 2 and 4 is same as according to forces of attraction they have same density and boiling points.
What are forces of attraction?
Forces of attraction is a force by which atoms in a molecule combine. it is basically an attractive force in nature. It can act between an ion and an atom as well.It varies for different states of matter that is solids, liquids and gases.
The forces of attraction are maximum in solids as the molecules present in solid are tightly held while it is minimum in gases as the molecules are far apart . The forces of attraction in liquids is intermediate of solids and gases.
The physical properties such as melting point, boiling point, density are all dependent on forces of attraction which exists in the substances.
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A piece of clay sits 0.20 meters from the center of a potter’s wheel. If the potter spins the wheel with a tangential speed of 2.0 meters per second, what is the magnitude of the centripetal acceleration of the piece of clay on the wheel?
Answers
The centripetal acceleration of the piece of clay on the wheel at the given tangential speed is 20 m/s².
The given parameters;
radius of the potter's wheel, r = 0.2 mlinear speed, v = 2 m/sThe centripetal acceleration of the piece of clay on the wheel is calculated as follows;
[tex]a = \frac{v^2}{r} \\\\a = \frac{2^2}{0.2} \\\\a = 20 \ m/s^2[/tex]
Thus, the centripetal acceleration of the piece of clay on the wheel at the given tangential speed is 20 m/s².
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Answers
Li — Lithium
F — Fluorine
C — Carbon
O — Oxygen
Na — Sodium
H — Hydrogen
Cl — Chlorine
N — Nitrogen
Cs — Caesium
so the first one is Lithium + Fluorine
second is Carbon and 2 Oxygen
third : Sodium and Fluorine
fourth : 2 Lithium and Oxygen
fifth : Hydrogen and Chlorine
sixth : Nitrogen and 3 Hydrogen
seventh : 2 Caesium and Oxygen
eighth : 2 Hydrogen and 2 Oxygen
hope this helps ! :)
LiF:
Element: Lithium fluoride
Ionic
------------------------
Co2:
Element: Carbon dioxide
Covalent
------------------------
NaF:
Element: sodium fluoride
Ionic
-------------------
Li20:
Element: Lithium oxide
Ionic
-----------------------
HCI:
Element: hydrogen chloride
Covalent
---------------------------
NH3:
Element:
Ammonia
Covalent
-----------
CS2O:
Element: Cesium Oxide
Ionic
-----------------------
H2O2:
Element: Hydrogen peroxide
Covalent
Which of Newton’s Laws of motion help explain the following scenario?
A paddle wheel boat pushes on the water and the water pushes back causing the boat to move
Answers
Answer:
Newton #3
Explanation:
For every action there is an equal and opposite reaction.
A car collides with a wall. Compare the forces exerted by the car on the wall and by the wall on the car.
Answers
Explanation:
the force exerted from by the car on the wall Is contact force
the force exerted by the wall on the car i don't know
Every action has a comparable or opposite response, as according to Newton's third law. Inferring from this that a car crashing into a wall would apply force to the wall is a logical conclusion. But because the wall remained stationary, the car experiences an equivalent force that eventually causes it to crash.
What is Force?A force in physics is an input that has the power to change an object's motion. A mass-containing object's velocity can vary, or accelerate, as a result of a force. Intuitively, a push or a pull can also be used to describe forces. Being such a vector quantity, a force does have magnitude and direction. The SI unit metric newton is used to measure it (N). The letter F stands for force.
According to Newton's second law's original formulation, an object's net force is equal to the speed that its momentum is changing over time.
Force is the result of mass times acceleration.
In this case, the acceleration is (v - 0)/t, where t appears to be the amount of time required for automobile A to halt. Newton's third rule of motion states that the car turns the wall with a force, but the wall—which is actually immobile and indestructible—pushes back with a force that is equal to that which was applied to it.
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A 15 g bullet is fired at 630 m/s into a 4.9 kg block that sits at the edge of a 75-cm-high table. The bullet embeds itself in the block and carries it off the table.
How far from the point directly below the table's edge does the block land?
Answers
The horizontal distance traveled below the table's edge is 29.4 cm.
The given parameters;
mass of the bullet, = 15 g = 0.015 kgspeed of the bullet, = 630 m/smass of the block, = 4.9 kgThe final velocity of the bullet-block system is calculated as follows;
[tex]m_1 u_1 + m_2u_1 = v(m_1 + m_2)\\\\0.015(630) + 4.9(0) = v(0.015 + 4.9)\\\\9.45 = 4.915 v\\\\v = \frac{9.45}{4.915} \\\\v = 1.923 \ m/s[/tex]
The time for the bullet-block system to reach the ground from the table is calculated as follows;
[tex]h = v_0t + \frac{1}{2} gt^2\\\\h = 0 + \frac{1}{2} gt^2\\\\h = \frac{1}{2} gt^2\\\\2h = gt^2\\\\t^2 = \frac{2h}{g} \\\\t = \sqrt{\frac{2h}{g} } \\\\t = \sqrt{\frac{2\times 0.75}{9.8} }\\\\t = 0.153 \ s[/tex]
The horizontal distance traveled below the table's edge is calculated as follows;
[tex]X = vt\\\\X = 1.923 \times 0.153\\\\X = 0.294 \ m\\\\X = 29.4 \ cm[/tex]
Thus, the horizontal distance traveled below the table's edge is 29.4 cm.
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Define cyber law and its types.
Answers
Answer:
Cyber Law is a generic term referring to all the legal and regulatory aspects of the internet. Everything concerned with or related to or emanating from any legal aspects or concerning any activities of the citizens in the cyberspace comes within the ambit of cyber laws.
Types :-CopyrightPatentsTrademarks or Service MarksTrade SecretsDomain DisputesContractsPrivacyEmploymentDefamationExplanation:
HOPE IT HELPS YOU!!1
2) Mighty Mouse can lift seven mammoths with a total mass of 525 kg. Using the acceleration of
gravity, find the total WEIGHT that Mighty Mouse is lifting. (answer: 5250 N)
Answers
Answer:
5250N
Explanation:
Weight= Mass × acceleration due to gravity
= 525kg × 10m/s^2
= 5250N
need some help plsss!
Answers
Answer:
1and4attract and1and 2repel
an electric field is 16 n/c northwest. that makes it a
a) magnitude
b)direction
c)vector
d)scalar
Answers
16 n/c to the northwest lies an electric field. hence it qualifies as a direction. Thus, the correct response is (b). It is assumed that the field's direction corresponds to the direction in which a positive test charge should experience force.
With a positive point charge, the electric field radiates outward, whereas with a point charge that's negative, it radiates in.
How big and which way is the electric field pointing?
A positive point charge is pointed directly away by the electric field, while a negative point charge is pointed directly inside the opposite direction. When you go away again from point charge, the power of the electrical field diminishes as 1 / r 2 1/r21, slash, r, square.
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Answer:
c)vector
Explanation:
I got it right :)
Pushing a chair is a law of______?
A. Law of friction
B. Law of interaction
C. Law of acceleration
D. Law of universal gravitation
please help..
Answers
Answer:
A.Law of friction
Explanation:
because friction is the move chair floor
