Wednesday
July 23, 2014

Homework Help: science

Posted by ing-marie on Wednesday, May 8, 2013 at 9:42am.

a car of mass 100 kg traveling at 72 km/hr is brought to rest by applying the brakes.assuming that the kinetic energy of the car becomes transferred to internal energy in four steel brakes drum of equal mass, fine the rise in temperature of the drums if the total is 20kg, the specific heat capacity of the steal is 450 j/kg k and the work done equal on all four drums

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics - An automobile is brought to a stop by applying friction brakes to the ...
physics(help!!!!!!!) - A 1200kg car going 25m/s is brought to a stop using its ...
physics - When a driver brakes an automobile, friction between the brake disks ...
Physics - When a driver brakes an automobile, friction between the brake disks ...
Thermodynamic Physics - When a driver brakes an automobile, friction between the...
science - a car of mass 1360 kg descends from a hill of height 86 m at a ...
Science - A car weighing 24,500 Newtons is traveling east and travels a distance...
physics - A car of mass m traveling at speed v on a horizontal road applies its ...
Physics - A 1000kg car is traveling along a level road at 20.00ms, when the ...
physics - the brake linings of the wheels of a car have total mass 4.8kg and ...

Search
Members