A 10-kg cart is released from rest with no slack in the cable and with the spring unstrethced. The spring constant is 125 N/m. a. When m=0, the cart travelled 0.663 m before coming to rest. Determine the work done on the spring? Ans. 27.47 J) b. When m=2 kg, the cart travelled 0.349 m before coming to rest. Determine the work done on the spring? Ans. 7.61 J)

Q: B, 1 and 2?

A: B. (1) Apply momentum conservation for experiment 1.

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Q: = -lo 1,+ 5 -lo I3+ dt

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A: The value of quantity B.given,P(t)=Pmaxcos(Bt)frequency(f)=349 Hz

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Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.