15-27 Kinetics of Particle: Impulse and Momentum (Chapter 15: Hibbeler Dynamics) Engineers Academy

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Chapter 15: Kinetics of a Particle : Impulse and Momentum
Hibbeler Dynamics 14th edition

15–27. The 20-kg crate is lifted by a force of F = (100 + 5t2) N, where t is in seconds. Determine the speed of the crate when t = 3 s, starting from rest.

*15–28. The 20-kg crate is lifted by a force of F = (100 + 5t2) N, where t is in seconds. Determine how high the crate has moved upward when t = 3 s, starting from rest.

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NICE WORK. IT WOULD BE GREAT IF YOU MAY TEACH A LITTLE BIT OF THEORY BEFORE EACH CHAPTERS. THAT MIGHT BE HELPFUL TO STUDENTS

priyenveks
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why don't you have to do kinematics of the rope. 3Va + Vb?

rk