Complete the paragraph to describe the relationship between kinetic energy and braking distance. Use . A car moves at a speed of

Question

4 years ago

10

Complete the paragraph to describe the relationship between kinetic energy and braking distance. Use . A car moves at a speed of

50 kilometers/hour. Its kinetic energy is 400 joules. If the same car moves at a speed of 100 kilometers/hour, then its kinetic energy will be joules. The braking distance at the faster speed is the braking distance at the slower speed.

Physics

2 answers:

Mariana [72] · Answer 1 · 2021-12-08T06:21:56+03:00

Mariana [72]4 years ago

7 0

ke prop to v^2

ke1/v1^2=ke2/v2^2

400/50x50=joules/100x100

400x2x2

1600j

melisa1 [442] · Answer 2 · 2021-12-08T08:44:17+03:00

Answer:A car moves at a speed of 50 kilometers/hour. Its kinetic energy is 400 joules. If the same car moves at a speed of 100 kilometers/hour, then its kinetic energy will be 1,600 joules. The braking distance at the faster speed is double the braking distance at the slower speed.