0

Guest

Courses New

An unruly demonstrate lifts a stone of mass 200 g from the ground and throws it at his opponent.at the time of projection the stone is 150 cm above the ground and has a speed of 3.00m/s.calculate the work done by demonstrate during the process .if it takes one second for the demonstrate to lift the stone and throw ,what horsepower does he use?

An unruly demonstrate lifts a stone of mass 200 g from the ground and throws it at his opponent.at the time of projection the stone is 150 cm above the ground and has a speed of 3.00m/s.calculate the work done by demonstrate during the process .if it takes one second for the demonstrate to lift the stone and throw ,what horsepower does he use?

Grade:12th pass

1 Answers

Vikas TU
14149 Points
7 years ago
Total Work done = work done in lifting  +  work done in throwing the stone
                           = (200/1000) * 10 * (150/100) +  0.5* (200/1000) * 3*3
                           = 3.9 Joule.
1 Horse Power = 746 Joule
Then for 3.9 Joule it would be => 5.22788 x 10^-3 HP.

Think You Can Provide A Better Answer ?

Other Related Questions on Mechanics

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More