contestada

A car accelerates steadily so that it goes from 20 m/s to 40 m/s in 4
seconds. What is its acceleration? *
0.2 m/s/s
4 m/s/s
5 m/s/s
10 m/s/s

A car accelerates steadily so that it goes from 20 ms to 40 ms in 4 seconds What is its acceleration 02 mss 4 mss 5 mss 10 mss class=

Respuesta :

DorothySapp

Answer:

5ms/s

Explanation:

using v=u+at

40=20+4a

40-20=4a

20=4a

a=5ms/s

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