(1/2)(60) v^2 = 12,000 Joules
v = 20 meters/second
20 *3.6 = 8.2 km/h
a 60-kg student travelling in a car with a constant velocity has a kinetic energy of 1.2 *10^4 J. What is the speedometer reading of the car in km/h?
1 answer
1 answer