# Question: An unmarked police car starts from rest just as a

An unmarked police car starts from rest just as a speeding car passes at a speed of v. If the police car speeds up with a constant acceleration of magnitude a, what is the speed of the police car when it catches up to the speeder, who does not realize she is being pursued and does not vary her speed?

**View Solution:**## Answer to relevant Questions

A stone is thrown vertically downward from the roof of a building. It passes a window 16.0 m below the roof with a speed of 25.0 m/s. It lands on the ground 3.00 s after it was thrown. What was (a) The initial velocity of ...An elevator starts at rest on the ninth floor. At t = 0, a passenger pushes a button to go to another floor. The graph for this problem shows the acceleration ay of the elevator as a function of time. Let the y -axis point ...In the human nervous system, signals are transmitted along neurons as action potentials that travel at speeds of up to 100 m/s. (An action potential is a traveling influx of sodium ions through the membrane of a neuron.) The ...Does the monkey, coconut, and hunter demonstration still work if the hunter is in a higher tree and the arrow is pointed downward at the monkey and coconut? Explain. Prove that the displacement for a trip is equal to the vector sum of the displacements for each leg of the trip.Post your question