2. A school bus is travelling down the highway with a speed of 15 km/h, then speeds up with constant acceleration over 1.2 km over 59 s. We want find the initial velocity of the school bus. Which kinematic formula would be most useful to solve for the unknown? 3. A motorcycle is travelling to the right of 3.5 m/s on an slippery road when the brakes are applied. The motorcycle slows down with constant acceleration for 4.0 m until it comes to stop. How long does it take the motorcycle to slide to a stop?

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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2. A school bus is travelling down the highway with a speed of 15 km/h, then
speeds up with constant acceleration over 1.2 km over 59 s. We want find the
initial velocity of the school bus. Which kinematic formula would be most
useful to solve for the unknown?
3. A motorcycle is travelling to the right of 3.5 m/s on an slippery road when the
brakes are applied. The motorcycle slows down with constant acceleration for
4.0 m until it comes to stop. How long does it take the motorcycle to slide to a
stop?
4. A boat is drifting to the right with a speed of 5.8 m/s when the driver turns on
the motor. The motor runs for 4.5 s causing a constant leftward acceleration
of magnitude 3.5m/s². What is the displacement of the boat over the 4.5s time
interval?
Transcribed Image Text:2. A school bus is travelling down the highway with a speed of 15 km/h, then speeds up with constant acceleration over 1.2 km over 59 s. We want find the initial velocity of the school bus. Which kinematic formula would be most useful to solve for the unknown? 3. A motorcycle is travelling to the right of 3.5 m/s on an slippery road when the brakes are applied. The motorcycle slows down with constant acceleration for 4.0 m until it comes to stop. How long does it take the motorcycle to slide to a stop? 4. A boat is drifting to the right with a speed of 5.8 m/s when the driver turns on the motor. The motor runs for 4.5 s causing a constant leftward acceleration of magnitude 3.5m/s². What is the displacement of the boat over the 4.5s time interval?
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