Posted by Nate on Sunday, May 27, 2012 at 6:43pm.
A car of mass m = 1450 kg is traveling at a speed of
v0 = 79 km/h (21.9 m/s). Calculate the work that must be done by the brakes to completely stop the car in kJ

Physics  Elena, Sunday, May 27, 2012 at 6:47pm
W =ΔKE =mv²/2
Answer This Question
Related Questions
 physics  A car (mass = 750 kg) is initially moving with velocity 30 m/s. The ...
 physics  The brakes are applied to a car traveling on a dry, level highway. A ...
 algebra  The stopping distance d of a car after the brakes are applied directly...
 algebra  The stooping distance d of a car after the brakes are appied varies ...
 algebra  The stopping distance d of a car after the brakes have been applied ...
 physics  A car of mass 1500 kg traveling at 15.6 m/s loses its brakes and ...
 Physics  The brakes are applied to a car traveling on a dry, level highway. A ...
 physics  A driver of a 7.50 N car passes a sign stating "Bridge Out 30 Meters ...
 PHYSICS  A driver of a 7400 N car passes a sign stating "Bridge Out 30 Meters ...
 physics  A driver of a 7550 N car passes a sign stating "Bridge Out 25 Meters ...
More Related Questions