A bowling ball has a mass of 5 kg what happens to its momentum when its speed increases from 1m/s to 2m/s?

1 answer:

8 0

Here, Initial momentum = mu = 5*1 = 5 Kg m/s
Final momentum = mv = 5*2 = 10 Kg m/s

So, Momentum has been increased from 5 Kg m/s to 10 Kg m/s. Hence, Your Final answer is option B

Hope this helps!

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Read 2 more answers

A pulley with a mechanical advantage of 5 will require you to pull _____ times the amount of rope.

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It will require a force of 1/5, answer A.

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In the attached image we can see an example of an array of pulleys that will lift a 100 kg-f load.

If we analyze pulleys A,B, and C as in the image we can check a force in the cable of 20kg-f.

In the pulley D we have three forces of 20 kg-f each and those forces plus the forces in the pulley B, sum a total of 100 kg-f (60+40). This matches the mechanical advantage (100/5) = 20 kg-f