A car moving at 50 km/h skids 20 m with locked brakes.How far will it skid if its initial speed is 150 km/h?

Name: A car moving at 50 km/h skids 20 m with locked brakes.How far will it skid if its initial speed is 150 km/h?
Brand: Quizplus
Rating: 4.9 (42 reviews)

Question

Quizplus · Accepted Answer

The distance skidded is directly proportional to the square of the initial speed. Therefore, if the initial speed is tripled, the distance skidded will be nine times as much. So, 20 m skidded at 50 km/h means 180 m will be skidded at 150 km/h.

A Car Moving at 50 Km/h Skids 20 M with Locked