Sun is the main source of energy
Answer: 10 s, 30 m/s , 150 m
Explanation:
Given
The speed of motorcyclist is 
The initial speed of a police motorcycle is 
acceleration of police motorcycle is 
Police will catch the motorcyclist when they traveled equal distances
distance traveled by motorcyclist in time t is

Distance traveled by Police in time t is

put 

Police officer's speed at that time is

Distance traveled by each vehicle is

Answer:
Seatbelts stop you
Explanation:
Any passengers in the car will also be decelerated to rest if they are strapped to the car by seat belts.
Answer:
I am not sure of the question?
Explanation:
List the question
The total kinetic and potential energies