2) A police car signals a motorcycle 100m meters away to stop. Since the motorcycle did not stop, after 3s the police car starts chasing the motorcycle with constant acceleration as shown above. After 9s they slow down until they come to a stop. v(m/s) police car motocycle 20m/s 3s 5s 9s 15s t(s) a) Find the acceleration of the police car b) Show that the speed of the police car at 9s is 60m/s c) Show that after 9s the police car is again 100m away from the motorcycle d) Find the average speed of the police car e) Find the final distance between the police car and motorcycle after 15s
2) A police car signals a motorcycle 100m meters away to stop. Since the motorcycle did not stop, after 3s the police car starts chasing the motorcycle with constant acceleration as shown above. After 9s they slow down until they come to a stop. v(m/s) police car motocycle 20m/s 3s 5s 9s 15s t(s) a) Find the acceleration of the police car b) Show that the speed of the police car at 9s is 60m/s c) Show that after 9s the police car is again 100m away from the motorcycle d) Find the average speed of the police car e) Find the final distance between the police car and motorcycle after 15s
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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![2) A police car signals a motorcycle 100m meters away to stop. Since the motorcycle did
not stop, after 3s the police car starts chasing the motorcycle with constant
acceleration as shown above. After 9s they slow down until they come to a stop.
v(m/s)
police car
motocycle
20m/s
3s
5s
9s
15s
t(s)
a) Find the acceleration of the police car
b) Show that the speed of the police car at 9s is 60m/s
c) Show that after 9s the police car is again 100m away from the motorcycle
d) Find the average speed of the police car
e) Find the final distance between the police car and motorcycle after 15s](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7f736d16-f173-4135-8dc8-092ad1f3e61f%2F292c8961-204e-489b-bf94-4fc03021b4f6%2F8fjqaso_processed.png&w=3840&q=75)
Transcribed Image Text:2) A police car signals a motorcycle 100m meters away to stop. Since the motorcycle did
not stop, after 3s the police car starts chasing the motorcycle with constant
acceleration as shown above. After 9s they slow down until they come to a stop.
v(m/s)
police car
motocycle
20m/s
3s
5s
9s
15s
t(s)
a) Find the acceleration of the police car
b) Show that the speed of the police car at 9s is 60m/s
c) Show that after 9s the police car is again 100m away from the motorcycle
d) Find the average speed of the police car
e) Find the final distance between the police car and motorcycle after 15s
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