Posted by **Ariel** on Wednesday, September 8, 2010 at 4:13pm.

What average force is required to stop an 1700 kg car in 7.0 s if the car is traveling at 75 km/h?

- Physics -
**drwls**, Wednesday, September 8, 2010 at 5:35pm
First change the 75 km/h to 20.83 meters per second

(Average Force)* Time = Momentum change

= 1700 kg * 20.83 m/s

Solve or the Average Force, in Newtons

1700(m/s)*20.83(kg)/7.0(s) = ___? N

In pounds, it's about 2300

## Answer This Question

## Related Questions

- Physics - What average force is required to stop an 1700 car in 7.0 if the car ...
- physics - a 2250 kg car is traveling at 20 m/s to the west. the force required ...
- physics - What average force is required to stop an 1900 car in 6.0 if the car ...
- Physics - What average force is required to stop an 1600 -kg car in 8.0 s if the...
- physics - What average force is required to stop an 1300 -kg car in 9.0 s if the...
- physics - What average force is required to stop a 920kg car in 7.7s if the car ...
- Physics - What is the magnitude of the average force required to stop an 1400kg ...
- physics - A 1000 kg car in neutral gear slow from 15 m/s to a stop in 5.0 s due ...
- Physics - What is the magnitude of the average force required to stop an 1500 kg...
- Math Models - The distance needed to stop a car (d) varies directly with the ...

More Related Questions