Answer:
there the same
Explanation:
An electric field around two charged objects is shown.
Two spheres next to each other. Vectors perpendicular to each surface spread out and go to the other charge. The vectors are from the charge on the left, labeled X, and to the other charge, labeled Y. The vectors on the opposite sides of the charges are not bent.
What are the charges of objects X and Y?
Answer:
x is positive y is negative
Explanation:
because the ones from x are moving away from it and the ones from are moving towards it
Answer:
x pos y neg
Explanation:
yes
In what way has technology used aboard the International Space Station benefitted humans back on Earth?
ASAP... Robotic arms used aboard the ISS are now used in delicate surgeries on Earth.
Air purifiers developed for the ISS now provide cleaner air for humans on Earth.
Software created for the ISS was adapted and is now used to conduct brain surgery on Earth.
Research conducted on the ISS crew about heart disease is now used to help patients on Earth.
Answer:
Robotic arms used aboard the ISS are now used in delicate surgeries on Earth.
Explanation:
The ISS allows users to address hardware product development gaps, advanced manufacturing, and emerging technology proliferation. Microgravity-enabled material production capabilities and advanced manufacturing facilities are demonstrating scientific and commercial merit for Earth benefit
Answer:
a
Explanation:
ASAP if you Answer right I will mark the brainiest
Answer:
1. internal heat
2.none of above
3.haumea
4. its orbit is not elliptical
5.eris
6.ceres
7.is closer to sun than pluto
Which of the following is NOT an important component of planning ahead?
A figuring out necessary steps
B. setting plausible limits
C. constructing an inflexible plan
D. deciding what you want to accomplish
Answer: B setting plausible limits
Explanation: because when you are planning ahead you must only think how to do the thing correctly if you do all of your steps correctly you won't have any limitations.
Answer:
The correct answer is constructing an inflexible plan. Planning is a huge part in an individual’s life and also the life of a company. Though we want to plan for everything that could possibly happen, there needs to be flexibility as situations can change. Due to the fact planning can have a positive affect on a business for future happenings, it must also have variable and flexible room incase there are changes that need to be made.
Explanation:
A 200-kg boulder is 1000-m above the ground. what is its potential energy?
Explanation:
PE = mgz = 200 * 9.81 *1000 = 1962 KJ
A 200-kg boulder is 1000-m above the ground. 1962 KJ is its potential energy.
What is potential energy ?The term potential energy is defined as the stored energy that depends upon the relative position of various parts of a system. Because it has a potential to do work when released it is called as potential energy.
A spring has more potential energy when it is stretched. Any object that is stretched from its resting position has stored energy, so it is called potential energy.
The SI unit of electric potential is represented by volt (V), and it can also be written as Joule per Coulomb. The unit of potential energy is joules.
Potential energy = mgz
= 200 × 9.81 × 1000
= 1962 KJ
Thus, A 200-kg boulder is 1000-m above the ground. 1962 KJ is its potential energy.
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If the displacement is increasing as a function of time, then velocity:
A. is negative.
B. is zero.
O c. is decreasing.
D. is positive.
If the displacement is increasing as a function of time, then velocity is positive.
Since, V=d/t
so, Velocity is directly proportional to time.
A ball has m=10 kg and v=10 m/s. It has the same momentum as which of the following?
Select one:
a. A ball with m = 100 kg and v = 1 m/s.
b. A ball with m = 5 kg and v = 20 m/s.
c. A ball with m = 2 kg and v = 50 m/s
d. all of these
Answer:
Choice d. All three balls listed in choice a, b, and c have a momentum of [tex]100\; \rm kg \cdot m \cdot s^{-1}[/tex] each, same as that of the [tex]10\; \rm kg[/tex] ball moving at [tex]10\; \rm m \cdot s^{-1}[/tex]. Assumption: all four balls are moving in the same direction.
Explanation:
The momentum [tex]p[/tex] of an object is equal to the product of its mass [tex]m[/tex] and its velocity [tex]v[/tex].
Momentum of a [tex]10\; \rm kg[/tex] ball moving at [tex]10\; \rm m \cdot s^{-1}[/tex]:
[tex]p = m \cdot v = 10\; \rm kg \times 10\; \rm m \cdot s^{-1} = 100\; \rm kg \cdot m \cdot s^{-1}[/tex].
Similarly:
Momentum of the ball in choice a: [tex]100 \; \rm kg \times 1\; \rm m \cdot s^{-1} = 100\; \rm kg \cdot m\cdot s^{-1}[/tex].Momentum of the ball in choice b: [tex]5 \; \rm kg \times 20\; \rm m \cdot s^{-1} = 100\; \rm kg \cdot m\cdot s^{-1}[/tex].Momentum of the ball in choice c: [tex]2 \; \rm kg \times 50\; \rm m \cdot s^{-1} = 100\; \rm kg \cdot m\cdot s^{-1}[/tex].Hence the conclusion that these balls have the same momentum.
What is the resistance for each resistor? What is the voltage of the battery?
Answer:
Each resistor has a resistance of 10.0 ohms. The battery has a voltage of 9.0 volts.
Explanation:
edmentum
What needs to be done to balance this
equation?
CHA
O2
CO2
+ 2 H20
Remove coefficient 2 in front of
H2O on the right side of the
equation
Do nothing (equation is balanced).
Add coefficient 2 to O2 on the left
side of the equation.
Change O2 to Os on the left side
of the equation
Answer:
I'm not sure, but "Add coefficient 2 to O2...". You didn't really write out the equation properly.
Magnetic fields go from the north poles of magnets to the south poles of magnets.
true or false
The Answer is true, the saying opposites attract are true for magnets when poles match though they repel.
Answer:
true
Explanation:
An electric motor converts electrical energy into energy.
Answer:
into mechanical energy
...........,.
Mechanical energy it’ll turn into mechanical
5. Coal, petroleum, natural gas, propane, and uranium are examples of
energy sources.
A. nonrenewable
B. renewable
C. biomass
D. Geocentric
Answer:
Nonrenewable
Explanation:
Coal, petroleum, natural gas, propane, and uranium are examples of nonrenewable energy sources.
What is energy sources?Energy sources are forms of potential energy that can be used to perform work.
What is nonrenewable energy sources?A nonrenewable resource is a natural substance that is not replenished with the speed at which it is consumed. It is a finite resource. Fossil fuels such as oil, natural gas, and coal are examples of nonrenewable resources.
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F.
Using this formula m = =, If a car is pushed with a net force
of 5000N, resulting in an acceleration of 3.5m/s2, what is the
mass of the car?
a 1438.5kg
b 1428.6kg
c 1328.6kg
d 1421.6kg
Answer:
C
What is the answer please help her
A charged particle is placed in a space. The particle experiences a force. What can be concluded?
A.
The space contains a magnetic field.
B.
The space contains an electric field.
C.
The space has a charge opposite to the particle's.
D.
Oppositely charged particles must be present.
Answer: A.
The space contains a magnetic field
Explanation:
A charged particle is surrounded by electric field and exerts force on other charges in the field, attracting or repelling them.
But a charged particles in a magnetic field can escape into infinity without ever stopping due to magnetic force. We can therefore conclude that the space contains a magnetic field
Answer:
Explanation:
B
Two sounds are played for you. The first has a frequency of 196 Hz. The second has a frequency of 392 Hz. Which sound will be "higher" to your ear?
A) The First
B) The Second
C) They will sound the same
Answer:
The second one, the higher the hertz the higher the frequency we hear
Explanation:
Charge q is 1 unit of distance away from the source charge S. Charge p is four times further away. The force exerted
between S and q is ___ the force exerted between S and p.
1/4
1/16
16 times
4 times
Please help due in a few hours! 90 points!
A 600 N block is life’s by the friction-free pulley system shown.
What is the tension in the end held by the man? If the man exerts 60 J of work what will the increase of potential energy of the 600 N weight?
Answer:
+540n
Explanation:
3. Which of the following is an example of a
supplemental restraint system?
(a) air bag
(c) lap and shoulder belt
(b) safety belt
(d) antilock brakes
Answer:
A) air bag is your answer
Answer:
air bag
Explanation:
Any of several restraining systems in a vehicle, such as an airbag, in addition to the seatbelts.
When light rays appear to be coming from behind a mirror, what type of image has been formed?
A.imaginary
B.real
C.plane
D.virtual
Answer:
The answer ...........may be D.
TRUE or FALSE? If an object moves in a circle at a constant speed, its velocity vector will be constant. Explain your answer.
4. Unlike a gas, plasma can
Answer:
Unlike a gas, plasma can conduct electricity and respond to magnetism. That's because plasma contains charged particles called ions.
Answer:
a) The pressure in a traveling sound wave is given by the equation
p Pa π m x s t − − Δ = −
s x, t 6.0 nm cos kx+ 3000 rad / s t+ ( )( ) ( ) ( )
Find the (a) pressure amplitude, (b) frequency, (c) wavelength,
and (d) speed of the wave.
b) If the form of a sound wave traveling through air is
= ϕ , how much time does any given air molecule along
the path take to move between displacements s = + 2.0 nm and s = - 2.0 nm?
Solution: (a) The amplitude of a sinusoidal wave is the numerical coefficient of the sine (or
cosine) function: pm = 1.50 Pa.
We identify k = 0.9π and ω = 315 π (in SI units), which leads to f = ω /2 π = 158 Hz.
We also obtain λ = 2π/k = 2.22 m.
The speed of the wave is v = λ /k = 350 m/s.
(b) Without loss of generality we take x = 0, and let t = 0 be when s = 0. This means the
phase is φ= -π/2 and the function is s = (6.0 nm)sin(ωt) at x = 0. Noting that ω = 3000 rad/s,
we note that at t = sin-1(1/3)/ω = 0.1133 ms the displacement is s = +2.0 nm. Doubling that
time (so that we consider the excursion from –2.0 nm to +2.0 nm) we conclude that the time
required is 2(0.1133 ms) = 0.23 ms.
1. What are three things you think of when you think of energy?
Answer:
Food, wind, water.
Explanation:
This is supposed to be a personalized question so I answered with things that can make/give energy.
Answer:
This is personal question, very interesting! Depend on who is the person, where the person is working at, how old is that person - we can have various answers.
Personally, I think first about that human and other animals needs energy to survive, that means we need to eat, to drink; The plants need energy to survive too - that is the energy from the Sun.
Secondly, the human being needs such types of energy as electricity, wind, solar energy, etc. in oder to live. Even the acient people learnt to use solar and wind and water - natural energy from the nature.
Thirdly, the human being needs spiritual energy to have a good life.
Another specific terms of energy related to physics and chemistry, and even biology - actually are not in my mind in everyday life.
Explanation:
In a circult, a battery is used to
1. slow down current
2. conduct current
3. raise the potential of electrons
4. convert electrical energy into some other form of energy
Answer:
4. convert electrical energy into some other form of energy
A 50-kg object is accelerating to the right at 10 m/s². What is the magnitude of the rightward net force acting
on it (in Newtons)?
Answer:
I'm confused did you not get an answer at all
What is the advantage of the SI unit over CGS units?
Help me ...
answer it as fast as you can...
Answer:
The advantage of the SI unit over CGS unit are:
S.I has broader base. It has seven base units and two supplementary units.S.I is metric.S.I is coherent.S.I is rational, i.e. it gives one unit for one physical quantity .e g. for energy of any type i.e, mechanical or heat or electrical.There is only one unit Joule(J) but in M.K.S system unit for mechanical energy is joule.HOPE IT WILL HELP YOU
Units of measurements
The advantage that SI unit has over CGI is that it has only one unit for each measurement
Explanation:
CGS: Also known as Gaussian units
Length is measure in cm (centimeter)
Mass is measured in g (gram)
Time is measured in s (second).
SI unit: The International System of Units
Length is measure in meter (m)
Mass is measured in kilogram (kg)
Time is measured in seconds (s)
In summary with the SI unit student do not need to store any conversion factors in memory
when an electric current runs through a wire a magnetic field is included where?
What is the speed of a high-speed electron traveling at right angles to a 0.80-tesla magnetic field with a force of -7.5 x 10^-12 newtons? The charge of an electron is 1.60 x 10^-19
Explanation:
Answer:
Magnetic field, B = 0.016 Tesla
Explanation:
It is given that,
Velocity of electron, v=9.6\times 10^5\ m/sv=9.6×10
5
m/s
Magnetic force, F=2.6\times 10^{-15}\ NF=2.6×10
−15
N
Charge, q=1.6\times 10^{-19}\ Nq=1.6×10
−19
N
The magnetic force is given by :
F=qvBF=qvB
B=\dfrac{F}{qv}B=
qv
F
B=\dfrac{2.6\times 10^{-15}}{1.6\times 10^{-19}\times 9.6\times 10^5}B=
1.6×10
−19
×9.6×10
5
2.6×10
−15
B=0.016\ TB=0.016 T
So, the magnitude of magnetic field is 0.016 Tesla. Hence, this is the required solution.
Answer:
F = q v B so v = F/q B
v = -7.5 × 10-12/(-1.60 × 10-19) (0.80) = 5.9 × 107 m/s
Explanation:
volcanos create rich soil for farming true or false
(30 points)
Please answer quickly I would greatly appreciate it
Answer:
1. outer planets
2. Gas giants
3. helium
4.Galileo Galilei
5. Saturn
6. Pluto
7. Pluto
What of the following does NOT influence resistance? *
A.thickness of wire
B.temperature
C.material of wire
D.Number of components
Answer:
D. Number of components
Explanation:
Answer:
D. Number of components
Explanation: hope this helps :)
