Saturday
February 28, 2015

Homework Help: physics

Posted by laura on Thursday, August 18, 2011 at 2:17am.

A motorcycle officer hidden at an intersection observes a car driven by an oblivious driver who ignores a stop sign and continues through the intersection at constant speed. The police officer takes off in pursuit 1.98 s after the car has passed the stop sign. She accelerates at 3.9 m/s2 until her speed is 114 km/h, and then continues at this speed until she catches the car. At that instant, the car is 1.7 km from the intesection.
(a) How long did it take for the officer to catch up to the car?
59.72 s

(b) How fast was the car traveling?
mi/h

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics - A speeding motorcyclist is traveling at a constant speed of 31.1 m/s ...
physics - A motorist drives along a straight road at a constant speed of 15.0 m/...
Physics - A motorist drives along a straight road at a constant speed of 16.5 m/...
physics - A motorist traveling with constant speed of vc = 16.0 m/s passes a ...
physics - A motorist drives along a straight road at a constant speed of 15.0 m/...
physics - A motorist drives along a straight road at a constant speed of 15.0 m/...
physics - 1.A motorist drive along a straight road at a constant speed of 15.0 m...
physics - 1.A motorist drive along a straight road at a constant speed of 15.0 m...
mitx 8.01x Classical Mechanics - A motorist traveling with constant speed of vc...
school of engineering - police officer in a patrol car parked in a70km/h ...

Members