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NeX [460]
2 years ago
14

Explain how the removal of heat energy affects the speed of the particles in a substance

Physics
1 answer:
Luba_88 [7]2 years ago
8 0

Answer:

The removal of heat energy slows the speed of particles

Explanation:

When you add heat to a substance, the heat energy gets transferred to kinetic energy, and the molecules began to move a greater distance at a greater speed. When you remove heat, the opposite happens.

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The height has a distance of 2.5 seconds to hit the ground what is gravity?
STatiana [176]

Answer:

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Explanatiom:

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3 years ago
Two masses are connected by a string which passes over a pulley with negligible mass and friction. One mass hangs vertically and
monitta

Answer:

a=2,5m/s^2

Explanation:

From the question we are told that:

Coefficient of kinetic friction \mu= 0.200

Vertical Mass M_v=3kg

Horizontal mass M_h=3.00kg  

Generally the equation for kinetic force F_k is mathematically given by

F_k=\mu N\\F_k=0.2*3\\F_k=0.6

Generally the equation for T is mathematically given by

For M_v=3kg3g-T=3a

For M_h=3kg

T=M_v V+F_k\\T=3.0a+0.6

Therefore substituting

3-3a-0.6=3a\\2.4g=6a

a=2,5m/s^2

3 0
3 years ago
15newtons is used to push a box along the floor a distance of 3 meters. How much work was done
tatuchka [14]

WD = f * d

WD = 15 * 3

WD = 45 J

8 0
3 years ago
What does Δx stand for? What SI units are used to measure it?
pav-90 [236]

Answer:

Displacement. Units of measure metre (m)

Explanation:

Delta x Δx stands for displacement, or change in position.

4 0
3 years ago
Here is it u can see it​
Ymorist [56]

Answer:

The first one is true.

Explanation:

Here it is

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