A scientist adds different amounts of salt to 5 bottles of water. She then
measures how long it takes for the water to boil. What is the responding
variable in this experiment?
O A. The time it takes for the water to boil
O B. The amount of salt added to the water
C. The kind of bottles used
D. The brand of salt used

Answers

Answer 1

Answer:

A. The time it takes for the water to boil

It is because salt was added into the water. So the responding variable is the time taken to boil the water.

hope this help u. good luck


Related Questions

convert 300 k into Celsius scale​

Answers

Answer:

Given, kelvin temperature = 300 K

C = K – 273.15

C = 300 – 273.15

C = 26.85

Therefore, 300 Kelvin is equal to a celsius temperature of 26.85 °C

Hope this helps u

11.
2.4 g/mL x 15.82 mL

Answers

Answer:

The final solution is 38 g.

Explanation:

(2.4 (g / mL)) x 15.82 mL

= 37.96800 grams

When rounded, we get 38, so 38 g is the final solution.

Answer:

38 g is the answer

you run from your house to a friend's house that 3 miles away. you then walk home. A. What distance did you travel? B. What was the displacement for the entire trip?

Answers

Six miles was the distance traveled and the displacement is 0.

please help me fast ​

Answers

Answer:

pressure is force per unit length

Answer:

SI unit of displacement is meter

¿Qué información se puede obtener de un gráfico rapidez versus tiempo?

Answers

Answer:

la velocidad se mide con el tiempo del tiempo que tarda el tiempo se mide por la hora del día y el reloj

Explanation:

Creo que es correcto

7. MANSON'S FAVORITE SINGING GROUP WAS...
O THE TEMPTATIONS
O THE BEACH BOYS
O THE ROLLING STONES
O THE BEATLES

Answers

The beach boys i think.. if not im sorry

Does a fan that is not spinning have energy?

Answers

Answer:

Yes, when dealing with electricity as long as there is an input source there is always built up energy waiting to be used also known as kinetic energy. The fan is not spinning but if it were turned on it would spin instantaneously.

a 2 liter bottle of soda has how many milliliter in it?

Answers

Answer:

As we know 1 liter=1000ml

2liters=2×1000ml2000ml

2 liter bottle of soda has 2000 milliliter in it.

hope it helps.stay safe healthy and happy..

In vector diagrams, what does the length of the arrow tell you?

Answers

Answer:

The length of the arrow tells you the size of the quantity in the vector diagram.

The direction of the arrow simply tells you the direction

Answer and Explanation:

A vector in this sense is a thing that has both magnitude (length) and direction.

Say you're walking at a speed of 5 miles per hour. If you keep walking in a straight line, then in two hours you will have walked 10 miles.

This doesn't give any information about where you started or any information about where you ended up after those 2 hours.

This is because "speed" is a scalar. It's a number with no associated geometry. It's just a magnitude. It's the magnitude of velocity.

Velocity is a vector.

Look on a map at where you are right now. Call that the center of the circle. Draw the circle with a 10 mile radius around where you are now.

The length of the arrow represents all of the possible places you could be after a two hour walk.

Which direction the arrow was pointing is what allows your friends to meet you there without checking along a ~63 mile path to find you or searching ~314 square miles to find you if you slowed down or stopped off along the way.

A basket contains 7 white cats and 15 black cats. What is the ratio of the number of white cats to the number of black cats?​

Answers

The answer is:Ratio 7:15

Which is an example of an exothermic process?
A.
splitting of water molecule
B.
formation of glucose from carbon dioxide
C.
condensation of steam
D.
cooking of an egg
E.
evaporation of water

Answers

Answer:

i think answer is c

Explanation:

as formation water from steam condensed release heat

else all need heat

partes son de un estadio de futbol

Answers

Las dos líneas más largas del terreno de juego se denominarán líneas de banda. Las dos más cortas se llamarán líneas de meta. El terreno de juego será rectangular y la longitud de las líneas de banda deberá ser mayor que las de las líneas de meta. La longitud de la línea de banda debe tener como mínimo 90 metros y como máximo 120 metros. La anchura de la línea de meta debe de tener como mínimo 45 metros y como máximo de 90 metros. Todas las líneas del terreno de juego deberán se líneas continuas y tener la misma anchura, como máximo 12 cm., menos las líneas de meta que deben tener la misma anchura que los postes y larguero de la portería. Todas las líneas que delimitan al campo forma parte del terreno de juego. El terreno de juego puede ser de tierra, césped natural ó césped artificial de color verde según las normas del reglamento de la competición. El terreno de juego está dividido en dos partes iguales por una línea que unirá los puntos medios de las dos líneas de banda. El centro del campo estará marcado con un punto situado en la mitad de la línea media que divide las dos partes iguales del campo, tomando este punto como centro, haremos circulo de un radio de 9,15 metros. También se puede poner un banderín en cada extremo de la línea de media, a una distancia mínima de 1 m al exterior de la línea de banda.

a crane gradually lifts a car with a mass of 1000kg at constant speed to height of 5cm. Calculate the potential energy of the car at that height.​

Answers

Answer:

490.5

Explanation:

Formula

U = mgh

= 1000 x 9.81 x 0.05m

= 490.5

a solid copper sphere will sink in water while a hollow copper sphere of the same mass may float.explain this observation​

Answers

Water is heavier than air because is denser. So a hollow sphere that contains air inside may float.

Answer:

According to archemdes principle ,if an object displace more water that its volume then it will sink in water

As The hollow sphere of same mass have high volume ,so it will float and solid copper with less volume will sink ....

Explanation:

Plz mark me as brainliest ,I badly need it

A bowling lane is 18 meters long. How long would it take a 1.5 m/s bowling ball to
roll down that lane?
16.5 seconds
16.5 meters
12 seconds
27 seconds
27 meters
12 meters

Answers

Divide distance by speed:

18 meters / 1.5 meters/ second = 12 seconds

Answer: 12 seconds

A bowling lane is 18 meters long. it would take 12 seconds for a 1.5 m/s bowling ball to roll down that lane, therefore the correct answer is the third option

What is Velocity?

The total displacement covered by any object per unit of time is known as velocity. It depends on the magnitude as well as the direction of the moving object.

The mathematical expression for velocity is given by

velocity= total displacement/Total time

As given in the problem a bowling lane is 18 meters long and the ball is moving with a velocity of 1.5 m/s in the roll-down lane we have to find the time period for the bowling ball to roll down that lane

Total displacement = 18 meters

the velocity of the ball = 1.5 m/s

time =?

By substituting the values in the formula of the velocity

1.5 = 18/t

t= 12 seconds

Thus , it would take 12 seconds for a 1.5 m/s bowling ball to roll down that lane

Learn more about Velocity from here

brainly.com/question/18084516

#SPJ2

A student conducts an experiment to test how the temperature affects the amount of sugar that can dissolve in water. In the experiment, she uses 100 milliliters of water in each trial and stirs for five minutes each time.

What is the independent variable in this experiment?

A. the amount of water

B. the temperature of the water

C. the amount of sugar

Answers

B. The temperature of the water.

The independent variable is the variable that is changed to affect the dependent variable. In this instance, the temperature of the water is being changed to affect the amount of sugar that dissolves.

A stream of electrically charged particles flowing from the sun is called the
a. Van Allen belt.
b. magnetosphere.
c. solar wind.
d. magnetic field.

Answers

Answer:

solar wind

Explanation:

the sun's atmosphere is made of hydrogen which itself made subatomic particle. These particle are constantly boiling off the sun and streaming outward at very speed. So, the sun's magnetic field and particles are called solar wind.

Answer:

c

Explanation:

Solar wind

please help please please please

Answers

The answer is plants

a 16 Watt bulb is used for 5 hrs. what is the energy consumed by the bulb​

Answers

Energy = (power) x (time)

Energy = (16 watt) x (5 hours)

Energy = 80 watt-hours

or

Energy = 0.08 Kilowatt-hours

or

1 watt = 1 joule/second

5 hours = 18,000 seconds

Energy = (16 joule/sec) x (18,000 sec)

Energy = 288,000 Joules

Explanation:

A unit of electricity is represented in kilowatt-hour (KWh). To calculate units, you need to find the energy consumption. It is easy, just multiply power with time.

(16×5 ) watt-hour=80Wh.

Convert it to kilowatt-hour i.e 0.08 KWh/day.

So 0.08 KWh is the energy consumption for one day.

convert 260 f into c​

Answers

Answer:

126.667 °Celsius

Explanation:

260 °Fahrenheit =126.667 °Celsius

Which velocity time graph represents the motion of an object moving with constant acceleration

Answers

Answer:

A

plss mark me brainliesttt

8. A girl is padaling her blcycle at a velocily of 0.10 km/min. How far will she travel in two hours?

Answers

Explanation:

2 h = 120 min

v = 0.1 km/m

distance = v × t

= .1 × 120

= 12 km

2. CHARLES MANSON WAS DIAGNOSED WITH
PERSONALITY DISORDER.
10 points
(A)NARCISSISTIC
(B) BIPOLAR
(C)ANTI-SOCIAL
(D)BORDERLINE
O Other

Answers

Answer:

The answer is C. anti social

Explanation:

Hope that helps!

Which of the following is true about galaxies?
a. Galaxies are moving away from each other.
b. Galaxies are moving toward each other.
c. Galaxies move in a random pattern.
d. Galaxies are stationary.

Answers

Answer:

Galaxies move in a random pattern.

Answer:

a

Explanation:

the universe is expanding

i remember learing this

hope this helps

brailest plzz

A geologist was digging through Earth's surface and found deep in the earth's crust a rock that has flattened layers with a fossil imprinted in the rock. Choose the best scenario that lead to the formation of this rock.

Answers

Answer:

Please give options

Explanation:

mark me as brainlist

The equation below can be used to find the specific heat capacity of a substance. What is the specific heat capacity if it takes 1000 J of energy to heat 25 g of this substance by 100°C? Give your answer in J/kg°C.

Answers

Answer:

0.4j/g

Explanation:

using H = MCQ

where H is heat energy, M is mass of substance, and Q temperature change

1000= 25*C*1001000=25*100*C1000=2500Cdivide both by 25001000/2500=CC = 0.4j/g

Answer:

u837483 hd83v

Explanation:

ueu383hevd8eb2 e eusb2 3udbr easy elements easy when ever ever ekq Asner skate s Jesse issbqks. sis whish

can someone help me convert these?

Answers

Assuming you are supposed to write each conversion in scientific notation:

(2) 1 m = 100 cm, so

(67 cm) × (1/100 m/cm) = 67/100 m = 0.67 m = 6.7 × 10 ⁻¹ m

(3) 1 km = 1,000 m, so

(1.2 km) × (1000 m/km) = 1200 m = 1.2 × 10³ m

(4) 1 m = 1,000 mm = 10³ mm, so

(6.2 × 10 ⁻³ m) × (10³ mm/m) = 6.2 mm

(5) 1 m = 1,000,000,000 nm = 10⁹ nm, so

(4.05 × 10³ nm) × (1/10⁹ m/nm) = 4.05 × 10 ⁻⁶ m

(6) 1 g = 1,000,000 µg = 10⁶ µg, so

(3200 µg) × (1/10⁶ g/µg) = 3200 × 10 ⁻⁶ g = 3.2 × 10 ⁻³ g

A wheelbarrow of mass 20 kg accelerates from rest and reaches speed of 10m/S2 in 5 seconds.its force?​

Answers

Answer:

[tex]\boxed {\boxed {\sf 40 \ Newtons}}[/tex]

Explanation:

We are asked to find the force of a wheelbarrow. According to Newton's Second Law of Motion, force is the product of mass and acceleration.

[tex]F= \ m \times a[/tex]

1. Calculate Acceleration

The mass of the wheelbarrow is 20 kilograms. We are not given the acceleration, so we must calculate it using the following formula.

[tex]a= \frac{v_f-v_i}{t}[/tex]

The wheelbarrow starts at rest or 0 meters per second (initial velocity) and accelerates to reach 10 meters per second (final velocity) in 5 seconds (time).

[tex]v_f=[/tex]10 m/s [tex]v_i=[/tex]0 m/s t= 5 s

Substitute these values into the formula.

[tex]a= \frac{ 10 \ m/s-0 \ m/s}{5 \ s}[/tex]

Solve the numerator.

[tex]a= \frac{10 \ m/s}{5 \ s}[/tex]

Divide.

[tex]a= 2 \ m/s/s[/tex]

[tex]a= 2 \ m/s^2[/tex]

2. Calculate Force

Now we know the mass and acceleration of the wheelbarrow

m= 20 kg a= 2 m/s²

Substitute the values into the force formula.

[tex]F= 20 \ kg \times 2 \ m/s^2[/tex]

[tex]F= 40 \ kg*m/s^2[/tex]

Convert the units. 1 kilogram meter per square second is equal to 1 Newton, so our answer of 40 kilogram meters per square second is equal to 40 Newtons.

[tex]F= 40 \ N[/tex]

Answer:

40 N

Explanation:

We know that

F = ma

and

a = (v - u)/t

So,

F = m(v - u)/t

F = 20(10 - 0)/5

F = 20(10/5)

F = 20(2)

F = 40 N

Derive the following relation/equation.
i.S=ut+1/2at²​

Answers

Answer:

I hope it was helpful.........

prove- s=UT+1/2 of 2​

Answers

Answer:

I hope it helped U......

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