Physics, asked by shreyasahoo90, 4 days ago

A bus is moving with 90km/h if the mass of that bus is 1500kg what is the velocity of the body?
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Answers

Answered by aayushdevre11
2

FORMULA :-

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- = 2AS

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Answered by 2019000794
0

Answer:

Mass of the car (m) = 1500 kg

Velocity (v) = 60 km/hr

v = 60 x 5/18

v = 16.67 m/s

The car is in motion, so its energy is,

Kinetic Energy (K.E) = 1 /2 mv2

K.E = 1/ 2 × (1500) × 277.88 J

K.E = 208416.7 J

The kinetic energy of the car, when it comes to rest = 0 J

Work done on object = change in kinetic energy

= 208416.7 – 0

= 208416.7 J

Hence, the work required to stop the car is 208416.7 J.

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