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BlackZzzverrR [31]
3 years ago
14

You travel 60 meters to the left in 20 seconds and then you travel 60 meters to the right in 30 seconds; what is your average ve

locity?
What is the answer and what are the steps to arrive at the answer? I need help figuring this out.
Physics
1 answer:
vovikov84 [41]3 years ago
4 0
Average velocity = displacement / time

In this case, since you move left 60, then right 60, you return to the starting point making the displacement zero.

average velocity = 0 / 60 sec = zero

the average speed is calculated using total distance traveled.

average speed = distance / time

average speed = 120 meters / 60 sec = 2 m/s
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Answer:In adiabatic case

Explanation:

Let us suppose Initial condition

P_1,V

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\left ( a\right )In Isothermal case

Temprature is costant therefore

PV=constant

P_1V=P_2\frac{V}{2}

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for adiabatic case

PV^{\gamma }=constant

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4 years ago
An artillery shell has a mass of 55 kg. The shell is fired from the muzzle of the gun
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The average force on the shell while it is in the gun barrel is 10,869,833.33N.

<h3>HOW TO CALCULATE FORCE?</h3>

Force applied on an object can be calculated by multiplying the mass of the object by its acceleration.

However, the acceleration needs to be calculated by using the following equation:

v² - u² = 2as

Where;

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770² - 0² = 2 (a)(1.5)

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a = 197633.3m/s²

Force = 55kg × 197633.3m/s²

Force = 10,869,833.33N

Therefore, the average force on the shell while it is in the gun barrel is 10,869,833.33N.

Learn more about force at: brainly.com/question/26115859

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