3 years ago

Plz help the ones i looked up are wrong

1 answer:

tatiyna3 years ago

3 0

Answer:

As a girl pushes a bike up a hill, the kinetic energy of the bike is increasing.

Explanation:
As a bike goes up hill it’s easy to determine wether it’s decreasing or increasing depending on which way it goes downhill or uphill!

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3 years ago

A basketball has a mass of 1 kg and is traveling 12 m/s

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A) It would be doubled.

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To answer the question, we just need to calculate the momentum of the basketball using the following formula:

$Momentum=mass*velocity\\\\Momenum=1kg*12\frac{m}{s}=12\frac{kg.m}{s}$

Now, we have calculated the momentum and the result is 12 kg.m/s, what would happen to the velocity if we double the momentum? Let's calculate it!

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Hence, we can see that if the momentum is doubled, the velocity will be doubled too.

Have a nice day!

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