Forum Forums Class 9 Science Work, Power And Ene... Notifications Clear all Work, Power And Energy Page 4 / 11 Prev 1 2 3 4 5 6 7 8 9 10 11 Next Votes & Answers Question Question Status 0 1 123 To what height should a box of mass 150 kg be lifted, so that its potential energy may bec... By BidishaKashayap1333, 4 years ago replies 1 0 1 124 When is the work done by a force on a body: (a) positive (b) negative (c) zero By BidishaKashayap1333, 4 years ago replies 1 0 1 302 A boy weighing 50 kg climbs up a vertical height of 100m. Calculate the amount of work don... By BidishaKashayap1333, 4 years ago replies 1 0 1 327 A body of mass 100kg is lifted up by 10m. Find: (a) the amount of work done (b) potential ... By BidishaKashayap1333, 4 years ago replies 1 0 1 287 Calculate the work done by the brakes of a car of mass 1000 kg when its speed is reduced f... By BidishaKashayap1333, 4 years ago replies 1 0 1 268 A man drops a 10 kg rock from the top of a 5m ladder. What is its speed just before it hit... By BidishaKashayap1333, 4 years ago replies 1 0 1 323 On a level road, a scooterist applies brakes to slow down from a speed of 10 m/s to 5 m/s.... By BidishaKashayap1333, 4 years ago replies 1 0 1 289 A body of 2 kg falls from rest. What will be its kinetic energy during the fall at the end... By BidishaKashayap1333, 4 years ago replies 1 0 1 245 Two objects having equal masses are moving with uniform velocities of 2 m/s and 6 m/s resp... By BidishaKashayap1333, 4 years ago replies 1 0 1 174 Find the momentum of a body of mass 100g having a kinetic energy of 20J. By BidishaKashayap1333, 4 years ago replies 1 Page 4 / 11 Prev 1 2 3 4 5 6 7 8 9 10 11 Next Share: Super Globals Requests: Server: Options and Features route: community use_home_url: url: https://eanshub.com/community/ pageid:187 default_groupid: 3 2022 How Can We Help? Δ Home About Us Contact Us Privacy Policy Term of Use Copyright © 2020 Eanshub All Rights Reserved
