# Solved: Figure E2.12 shows the velocity of a solar-powered

Chapter 2, Problem 2.12

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QUESTION:

Figure E2.12 shows the velocity of a solar-powered car as a function of time. The driver accelerates from a stop sign, cruises for 20 s at a constant speed of and then brakes to come to a stop 40 s after leaving the stop sign. (a) Compute the average acceleration during the following time intervals: (i) to (ii) to (iii) to (iv) to (b) What is the instantaneous acceleration at t = 20 s and at t = 35 s? t = 0 t = 40 s. t = 10 s; t = 3

QUESTION:

Figure E2.12 shows the velocity of a solar-powered car as a function of time. The driver accelerates from a stop sign, cruises for 20 s at a constant speed of and then brakes to come to a stop 40 s after leaving the stop sign. (a) Compute the average acceleration during the following time intervals: (i) to (ii) to (iii) to (iv) to (b) What is the instantaneous acceleration at t = 20 s and at t = 35 s? t = 0 t = 40 s. t = 10 s; t = 3

Step 1 of 6

The velocity graph shows the velocity of solar powered cars as a function of time.