Posted by **Erin** on Saturday, October 10, 2009 at 11:33pm.

A motorist travels at a constant speed of 34.0 m/s through a school zone; exceeding the posted speed limit. A policeman, waits 7.0 s before giving chase at an acceleration of 3.9 m/s2.

(a) Find the time required to catch the car, from the instant the car passes the policeman.

(b) Find the distance required for the policeman to overtake the motorist.

3Your answer is incorrect.

- Physics -
**bobpursley**, Saturday, October 10, 2009 at 11:52pm
IT is difficult to know where the policeman started, so I assume at some point the motorist passed.

They both traveled the same distance.

d= 34*t

d=1/2 3.9 (t-7)^2

set them equal, and solve for time.

then solve for distance.

## Answer this Question

## Related Questions

- physics - A motorist travels at a constant speed of 34.0 m/s through a school ...
- Physics - A motorist travels at a constant speed of 37.0 m/s through a school ...
- Physics - A motorist traveling with a constant speed of 15m/s passes a school-...
- Physics - A motorist traveling with a constant speed of 15m/s passes a school-...
- physics(kinematics) - A police officer in a patrol car parked in a 70 Km/h speed...
- physical science - A car travels through a school zone at a speed of 36 m/s was ...
- statistics - A construction zone on Kings Road has a posted speed of 45 ...
- physics - police officer in a patrol car parked in a 70km/h zone observe a ...
- statistics - Hello i am doing assignment in my math 20-2 class. The question is...
- Math - Hello i am doing assignment in my math 20-2 class. The question is: data ...

More Related Questions