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Fundamentals of Physics | 10th Edition | ISBN: 9781118230725 | Authors: David Halliday; Robert Resnick; Jearl Walker
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A 2100 kg truck traveling north at 41 km/h turns east and

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QUESTION:

A 2100 kg truck traveling north at 41 km/h turns east and accelerates to 51 km/h. (a) What is the change in the trucks kinetic energy? What are the (b) magnitude and (c) direction of the change in its momentum?

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QUESTION:

A 2100 kg truck traveling north at 41 km/h turns east and accelerates to 51 km/h. (a) What is the change in the trucks kinetic energy? What are the (b) magnitude and (c) direction of the change in its momentum?

ANSWER:

Step 1 of 3 a) The velocity of the truck while its moving in the north direction is, The horizontal component of velocity of the truck while it moves in the north direction, The vertical component of velocity of the truck while it moves in the north direction,\n The velocity of the truck while its moving in the east direction is, The horizontal component of velocity of the truck while it moves in the east direction, The vertical component of velocity of the truck while it moves in the east direction, The change in kinetic energy is given by, Mass of the truck, The change in truck’s kinetic energy is .

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