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Strike441 [17]
2 years ago
8

Two objects, P and Q, have the same mo- mentum. Q can have more kinetic energy than P if it:

Physics
1 answer:
Art [367]2 years ago
8 0

Answer:

Both the third and fifth answers are correct

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A weight lifter is trying to do a bicep curl with a weight of 300 N. At the "sticking point", the moment arm of this weight is 3
lesantik [10]

Answer:

The weight lifter would not get past this sticking point.

Explanation:

Generally torque applied on the weight is mathematically represented as

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So Elbow Torque is   T_e= 4000 * 0.02

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  So the Required Torque is T_R = 300 *0.3

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Now since   T_e < T_R it mean that the weight lifter would not get past this sticking point

                                   

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What kind of friction is occurring between a pencil and desktop when you flick the pencil?
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