how much work must be done to stop of thousand kg car travelling at 100 km per hour
Answers
Answered by
1
here work done is equal to 1/2mv'2 =1/2×1000×100×100 = 5000000 joul or you can also calculate in kwj
hmm8:
but this not the correct answer
correct answer is 3.86 × 10^5
U must check ur Question
in the book it is written
Check the Question please
ya I know brother actually they calculate in standerd form
they calculated in joules
I also notified u in ans. you can also calculate in kwj..
ok thanks
Answered by
1
Hye !!!
This is your answer.
Given :
Weight = 1000 kg
Velocity = 100 km/h
To stop the car, we must apply a force that is equal to its kinetic energy.
So, Work done to stop the car
= 1/2 × 1000 × 100²
= 500 × 10000
= 5000000 J or 5000 KJ
Hope It Helps
This is your answer.
Given :
Weight = 1000 kg
Velocity = 100 km/h
To stop the car, we must apply a force that is equal to its kinetic energy.
So, Work done to stop the car
= 1/2 × 1000 × 100²
= 500 × 10000
= 5000000 J or 5000 KJ
Hope It Helps
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