Answer to Question #175005 in Physics for Yaribu Yachan

Question

Example: For the car in fig.24.5 displacement Average velocity = ______________ Elapsed time Vave = 40m East / 4 s = 10 m/s East Q1. What is the velocity of the car travel in 30 m East in 3 s? ______________ Q2. Give the average velocity of a car moving 20 m in 2 s. _________________ Change in velocity Acceleration = ____________________ Elapse time Final velocity – Initial velocity Average acceleration = ______________________ Elapse time Final velocity – Initial velocity Acceleration = ___________________________ Time Example: A car travel 10m/s to the east then after 5 s it reaches the destination of 30 m/s. What is the acceleration of the car? 30 m/s – 10 m/s 20 m a = ________________ a = ______ = 4m/ s2 5 s 5 s Solve the following: 1. A car travels at 90 m/s. What is its acceleration in 3 s ? 2. The motorcycle travel 80 m/s to the West, then after 10 seconds stop at the rate of 120 m/s. What is the acceleration of the motorcycle?

Answer 1

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