Physics, asked by sachkirat8, 1 month ago

13. A car of mass 480 kg moving at a speed of 54 km h is stopped by applying brakes in 10 s. Calculate the force applied by the brakes. ​

Answers

Answered by officialhafizabdulra
1

Answer:

F= -720N

Explanation:

Data:

Vi= 54km/h = 15m/s

Vf= Om/s

t= 10sec

M=480Kg

a=?

F=?

Sol:

USING EQ,

Vf= Vi+ at

0 = 15+a (10)

-15 =10a

a= -15/10

a = -3/2

a = -1.5m/s²

F=ma

F=480×(-1.5)

F= -720N

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