Compare the acceleration of a motorcycle that accelerates from 80 km/h to 90 km/h with the acceleration of a bicycle that accelerates from rest to 10 km/h in the same time.
Answer to relevant QuestionsCan an object have a northward velocity and a southward acceleration? Explain.A baseball player hits a foul ball straight up into the air. It leaves the bat with a speed of 120 km/h. In the absence of air resistance, how fast will the ball be travelling when the catcher catches it? Can an object have zero velocity and nonzero acceleration at the same time? Give examples.A rolling ball moves from x1 = 3.4 cm to x2 = - 4.2 cm during the time from t1 = 3.0s to t2 = 6.1 s. What is its average velocity?Calculate the average speed and average velocity of a complete round-trip in which the outgoing 250 km is covered at 95km/h, followed by a 1.0-hour lunch break, and the return 250 km is covered at 55km/h.
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