Avii1230 Avii1230

04-04-2019
Biology

contestada

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

Respuesta :

aphrodite2 aphrodite2

04-04-2019

(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

Answer Link

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