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3 years ago

Pls help i have test

Physics

2 answers:

Ne4ueva [31]3 years ago

7 0

I think no is the correct ans for the question ✅

ludmilkaskok [199]3 years ago

5 0

Answer:

I think the answer is a no. I guess

Explanation:

don't mind if it is write or wrong

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Answer:

The answer is 30 degrees.

Explanation:

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3 years ago

If a car travels 600m west in 25 seconds, what is its velocity?

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3 years ago

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3 years ago

Read 2 more answers

A truck with a mass of 1370 kg and moving with a speed of 12.0 m/s rear-ends a 593 kg car stopped at an intersection. The collis

Elza [17]

Answer:

speed of car after collision, v2 =16.1 m/s and of the truck, v1 = 4.6 m/s

Explanation:

Given:

mass of truck M = 1370 kg

speed of truck = 12.0 m/s

mass of car m = 593 kg

collision is elastic therefore,

Applying law of momentum conservation we have

momentum before collision = momentum after collision

1370×12 + 0( initially car is at rest) = 1370×v1+ 593×v2 ....(i)

Also for a collision to be elastic,

velocity of approach = velocity of separation

12 -0 = v2-v1 ....(ii)

using (i) and (ii) we have

So speed of car after collision, v2 =16.1 m/s and of the truck, v1 = 4.6 m/s

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3 years ago

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2 years ago