4 years ago

If a substance has a temperature of absolute zero, what can you say about the kinetic energy of the substance’s particles?

Physics

1 answer:

Vlad [161]4 years ago

3 0

The particles are making no motion at all.

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The shortest path from a starting point to an endpoint, regardless of the path

liubo4ka [24]

Answer:

answer is C shortest vector

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3 years ago

A 20 kg box has 1000 joules of potential energy on a shelf. How high is the shelf?

navik [9.2K]

Formula: PE = mgh
m = 20 kg, g = 9.8 m/s^2 h= ?
1000 = 20 * 9.8 * h
1000 = 196h
h = 5.10204082
The height is around 5m

5 0

3 years ago

A student applies a force 6 newtons to move a bool 1.5 meters across a table. How much work, in joules did the student do?

Anna [14]

Answer:

Explanation:

The work done by an object can be found by using the formula

workdone = force × distance

From the question we have

workdone = 6 × 1.5

We have the final answer as

Hope this helps you

6 0

3 years ago

A student is late and running to class. A hall monitor tells them to slow down, so the student slows to a walking speed of 1.4 m

sergey [27]

Answer:

8.9m/s

Explanation:

Final velocity = initial velocity + acceleration *time

Vf=vi+at

Vf=1.4 m/s

Vi=?

A=-2.5m/s^2

T=3

1.4m/s=vi+(-2.5m/s^2)(3s)

Vi=8.9m/s

7 0

3 years ago

A jogger runs 5.0 km on a straight trail at an angle of 60° south of west. What is the southern component of the run rounded to

mixer [17]

Given :

A jogger runs 5.0 km on a straight trail at an angle of 60° south of west.

To Find :

The southern component of the run rounded to the nearest tenth of a kilometre.

Solution :

We know, southern component is given by :

$d = Dsin \ \theta\\\\d = 5\times sin \ 60^{\circ}\\\\d = -4.33\ km$

Here, negative sign indicates south direction.

Therefore, the southern component of the run rounded to the nearest tenth of a kilometre is 4.3 km.

Hence, this is the required solution.

4 0

3 years ago

Read 2 more answers