From complete stop, a car reaches a velocity of 280 km/s east in 7 seconds. What is the rate of acceleration? A: 4 km/s B: 7 km/s C:40 km/s D:70 km/s

Question

asked Aug 16, 2020 84.5k views

1 Answer

Shady Atef · Answer 1 · 2020-08-23T12:01:46+0000

(C) 40 km/s

Explanation:

Divide your km/s and your seconds.

Equation: km/s divided by seconds = acceleration

- 280 km/s divided by 7 seconds = 40 km/s acceleration

Hope this helps you