How does kinetic energy affect the stopping distance of a vehicle traveling at 30 mph compared to the same vehicle traveling at

Question

mafiozo [28]

3 years ago

10

How does kinetic energy affect the stopping distance of a vehicle traveling at 30 mph compared to the same vehicle traveling at

60 mph?

Physics

1 answer:

amid [387] · Answer 1 · 2022-07-16T16:59:48+03:00

Kinetic energy increases with the square of the velocity (KE=1/2*m*v^2). If the velocity is doubled, the KE quadruples. Therefore, the stopping distance should increase by a factor of four, assuming that the driver is can apply the brakes with sufficient precision to almost lock the brakes.