Question

A car weighing 1000 kg and travelling at 30m/s stops at a distance of 50m decelerating uniformly. What is work done by the brakes?​

Answer 1

Answer:

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Explanation:

jcucyxyddudufuuf

Answer 2

Answer:

Given,

Mass = 1000kg

Acceleration = 30m/s

Displacement = 50m

We know that,

Work done = Force x Displacement

F = mass x acceleration

Therefore,

F = 1000 x 30

=> 30,000N

Now,

Work done = Force x displacement

=> 30000 x 50

=> 1500000 J

Hope the answer helps you xD