A football is thrown forwards out of a car window at a speed of 10 m/s with respect to the car, the car is travelling at a speed of 30 m/s with respect to the road. What is the total speed of the ball with respect to the road?     10 m/s (just the speed of the throw)     30 m/s (just the speed of the car)     there's no way of knowing     40 m/s (Sum of the speed of

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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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A football is thrown forwards out of a car window at a speed of 10 m/s with respect to the car, the car is travelling at a speed of 30 m/s with respect to the road. What is the total speed of the ball with respect to the road?

   

10 m/s (just the speed of the throw)

   

30 m/s (just the speed of the car)

   

there's no way of knowing

   

40 m/s (Sum of the speed of the throw and the speed of the car)

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