Acar traveling at a constant speed of 30 m/s passes a highway patrol police car which is at rest. the police officer accelerates at a constant rate of 3.0 m/s2 and maintains this rate of acceleration until he pulls next to the speeding car. assume that the police car starts moving at the moment the speeder passes his car. determine the – a) time required for the police officer to catch the speeder and – b) distance traveled during the chase.

a) 20 seconds

b) 600 m

Explanation:

t = Time taken

u = Initial velocity

v = Final velocity

s = Displacement

a = Acceleration

a) Speeder acceleration is 0 as the speed is constant

Police car

The distance they travel will be equal

Time required by the police car to catch the speeder is 20 seconds

b) The distance traveled by the police car will be 1.5×20² = 600 m

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the temperature in kelvin of 2.0 dm3 of an ideal gas is doubled and its pressure is increased by a factor of four. what is the final volume of the gas