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3 years ago

I flow from a warmer object to a cooler object until both objects are the same temperature what am I?

2 answers:

5 0

If you flow from a warmer object to a cooler object until they are both the same temp then you are heat. because heat flows from warm to cool until it reaches thermal equilibrium (when they are the same temp)

jok3333 [9.3K]3 years ago

4 0

HEAT flows from a warmer object to a cooler object until both objects are the same temperature. The answer is heat!

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A force of 150 N is exerted 22° north of east. What is the

svetlana [45]

Answer: B

Explanation:

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3 years ago

the picture shows six panels (a, b, c, d, e, and f), each displaying two snapshots of a box moving on a rough flor. forces may b

Agata [3.3K]

K = 1/2mv^2 of kinetic energy. The change in the object's kinetic energy is equal to the net work performed on it.

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1 year ago

Which of the following is a scalar quantity?

neonofarm [45]

Answer:

Explanation:

I hope this answer help u

4 0

2 years ago

Read 2 more answers

The best rebounders in basketball have a vertical leap (that is, the vertical movement of a fixed point on their body) of about

nadya68 [22]

Answer:

a) 4.45 m/s

b) 0.9 seconds

Explanation:

t = Time taken

u = Initial velocity

v = Final velocity

s = Displacement

a = Acceleration due to gravity = 9.81 m/s²

$v^2-u^2=2as\\\Rightarrow -u^2=2as-v^2\\\Rightarrow u=\sqrt{v^2-2as}\\\Rightarrow u=\sqrt{0^2-2\times -9.81\times 1}\\\Rightarrow u=4.45\ m/s$

a) The vertical speed when the player leaves the ground is 4.45 m/s

$v=u+at\\\Rightarrow t=\frac{v-u}{a}\\\Rightarrow t=\frac{0-4.45}{-9.81}\\\Rightarrow t=0.45\ s$

Time taken to reach the maximum height is 0.45 seconds

$s=ut+\frac{1}{2}at^2\\\Rightarrow 1=0t+\frac{1}{2}\times 9.81\times t^2\\\Rightarrow t=\sqrt{\frac{1\times 2}{9.81}}\\\Rightarrow t=0.45\ s$

Time taken to reach the ground from the maximum height is 0.45 seconds

b) Time the player stayed in the air is 0.45+0.45 = 0.9 seconds

6 0

2 years ago

a light ray traveling in air enters a second medium and its speed slows to 1.71 × 10^8 meters per second. what is the absolute i

givi [52]

The absolute refractive index is equal to the speed of light of the wave in air divided by the speed of light in the second medium. This means that it is equal to 3 x10^8 / 1.71 x10^8. This means the answer is 1.75

8 0

2 years ago

Read 2 more answers