Saturday

January 31, 2015

January 31, 2015

Posted by **H.T** on Monday, April 25, 2011 at 8:27am.

What was the car’s original kinetic energy and after the car has stopped, what is the change in temperature of the brakes and wheels?

- physics(help!!!!!!!) -
**bobpursley**, Monday, April 25, 2011 at 9:22amIniital KE=1/2 m v^2

heat in the stopping process: Initial KE

massiron*specificheatiron*(deltaTemp)=heat

solve for deltatemp

**Answer this Question**

**Related Questions**

Physics - An automobile is brought to a stop by applying friction brakes to the ...

physics - A car that weighs 15,000 N is initially moving at 60 km/hr when the ...

physics - A car that weighs 15,000 N is initially moving at 60km/hr when the ...

science - a car of mass 100 kg traveling at 72 km/hr is brought to rest by ...

physics - A car with a mass of 3200 kg and a velocity of 50 m/s brakes to a ...

physics - A car initially traveling at 31.0 m/s undergoes a constant negative ...

Physics - A car initially traveling at 33.4 m/s undergoes a constant negative ...

Physics - A car initially traveling at 33.4 m/s undergoes a constant negative ...

Physics - A car that weighs 14600.0 N is initially moving at a speed of 58.0 km/...

Physics - A car of mass 1550 kg is travelling at 75.0 km/h on a dry horizontal ...