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sergij07 [2.7K]

2 years ago

7

A car is travelling at a speed of 90km/h. On seeing baby 20m ahead on the road, the driver jamed on the breakes and it came to r

edt at a distance of 15m. What is ots ratardation and how long does it take to come rest

1 answer:

Thepotemich [5.8K]2 years ago

6 0

Answer:

5m

Explanation:

because if the driver jamed the brakes at 20m and stop at 15m the it took the driver 5m to fully stop

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Given:

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Let's find the net centripetal force exterted on the ball.

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$\sum ^{}_{}F_{\text{net}}=F_1+F_2=F_{centripetal}$

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Therefore, the net centripetal force exterted on the ball is 15 N.

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15 N

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