# Acceleration form velocity When a 1984 Alfa Romeo Spider sports car accelerates at the maximum possible rate, its motion during the first 20 s is extremely well modeled by the simple equation 222P where P 3.6 x 10W is the car's power output, m 1200kg is its mass, and v is in m/s. That is, the square of the car's velocity increases linearly with time Part A What is the car's speed at t-11 s? Express your answer using two significant figures u E m/s Submit Request Answer Part B What is the car's speed at t-20 s? Express your answer using two significant figures u E m/s Submit Request Answer Part C Find a symbolic expression, in terms of P, m, and t, for the car's acceleration at time t a(t)-

College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter5: Energy
Section: Chapter Questions
Problem 91AP
Question
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