Ask a New Question

Question

a girl of mass 40 kg is skating at a constant speed of 1 m/s. supposed she doubles her speed, how much work will be needed to double her speed?
12 years ago

Answers

drwls
Four times as much, since Kinetic Energy is proportional to V^2.
12 years ago
Anonymous
afsefedrhythyt
8 years ago

Related Questions

a 500-N girl has a mass of ? and a weight of ? A girl having mass of 35 KG sits on a trolley of mass 5 KG. The trolley is given an initial velocity... a girl of mass 40 kg is skating at a constant speed of 1 m/s. supposed she doubles her speed, what w... A girl with a mass of 83 kg is climbing in a tree 20 m above the ground. If she lands on a trampoli... A little girl with a mass of 33 kg jumps on a trampoline that has an elastic constant of 2336 N/m. W... a boy of mass 40kg and a girl of 30kg play on a see saw of negligible weight.if the boy sits 270cm f... A girl of mass kg runs up a stair case of 20 steps each 8.0 high, find out work done by the girl... A boy of mass 40kg and a girl of mass 30kg play on seesaw of negligible weight if the boy sits 3m fr... A girl of mass 40kg ran up a flight of 20 cm in 4 seconds. Calculate the average power? On an ice skating rink, a girl of mass 50 kg stands stationary, face to face with a boy of mass 80 k...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use