Physics, asked by nityagohel0531, 10 months ago

4. Find the initial velocity of a train, which is stopped in 25 seconds. The retardation produced in the train is 1.5 m/s2.



I tried but I can’t get the answer.

Answers

Answered by anantrathi14
1

Answer:

37.5ms^{-1}

Explanation:

v = 0

t = 25

a = -1.5

v = u + at

0 = u + (25 x -1.5)

0 = u - 37.5

u = 37.5ms^{-1}

Answered by anishprofessional
1

Answer:

INITIAL VELOCITY (U)=x

FINAL VELOCITY(V)=25

RETARDATION=1.5

R=\frac{U-V}{T}

1.5=\frac{x-25}{1.5}

ANS.-11.11

I HAVE TAKEN UPTO TWO DECIMAL PLACES.

Explanation:

MARK BRAINLIEST!

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