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ycow [4]
3 years ago
12

What is the momentum of a 0.5 kg ball which is thrown at 20 m/s?

Physics
1 answer:
tatuchka [14]3 years ago
7 0
A =-16.7 Ns B= -167.N
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A force of 40 N is required to hold a spring that has been stretched from its natural length of 10 cm to a length of 15 cm. How
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0.36 J of work is done in stretching the spring from 15 cm to 18 cm.

To find the correct answer, we need to know about the work done to strech a string.

<h3>What is the work required to strech a string?</h3>
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  • The force experienced by a streched spring is given as Kx. x is the length of the spring streched from its natural length.
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Learn more about the spring force here:

brainly.com/question/14970750

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