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A 5.0 kg toy car can move along an x axis; Fig. 9-50 gives
Chapter , Problem 32(choose chapter or problem)
A 5.0 kg toy car can move along an x axis; Fig. 9-50 gives Fx of the force acting on the car, which begins at rest at time t ! 0. The scale on the Fx axis is set by In unit-vector notation, what is at (a) t 4.0 s and (b) t 7.0 s, and (c) what is at t 9.0 s?
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QUESTION:
A 5.0 kg toy car can move along an x axis; Fig. 9-50 gives Fx of the force acting on the car, which begins at rest at time t ! 0. The scale on the Fx axis is set by In unit-vector notation, what is at (a) t 4.0 s and (b) t 7.0 s, and (c) what is at t 9.0 s?
ANSWER:Step 1 of 4 a) The momentum impulse theory is given by, The change in momentum of the car from to is given by, Where is the initial momentum, initially the car is at rest so the initial momentum is zero. Implies, The integration here is nothing but the area under the curve.\n\n The car is moving in the positive x direction so the linear momentum is, .