Physics, asked by srishtic124, 3 months ago

A train is moving with a speed of 20 m/s. when branks are applied after switching off the engine it comes to rest in 10 s. Calculate the retardation produced.

Please answer me tomorrow will my exam. ...​

Answers

Answered by mangleshpandey47
0

Answer:

Given:

Final velocity v = 0

Time taken t = 20 s

Acceleration a = -2 m/s2

From the equation v = u + at, we have

u = v - at

→ u = 0 - (-2) × 20

→ u = 40 m/s2

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