Ask a New Question

Question

A 16kg child on roller skates rolls 2m down an incline at 20 degrees with the horizontal. With no friction, what is the total kinetic energy of the child at the bottom of the incline?
14 years ago

Answers

drwls
It falls a vertical distance H = 2 sin 20 meters.

In the process, the kinetic energy increases by M g H.
14 years ago

Related Questions

A 20 kg child on roller skates, initially at rest, rolls 4 m down an incline at an angle of 30 degre... Two students on roller skates stand face-to-face, then push each other away. One student has a mass... A 37 kg child roller skates, initially at rest, rolls 2.0 m down an incline at an angle of 17 degree... A 60 kg boy on roller skates moves with a speed of 5 m/s. He runs into a 40 kg girl on skates. Ass... A person roller skates down a street heading West. What is true about friction in this case? A person roller skates down a street heading West. What is true about friction in this case? the... 1) A person roller skates down a street heading east. Which of the following would be true about fri... a 72 kg man on roller skates, initially at rest, fires a pistol due west. if the 35 g bullet travels... a person roller skates down a street heading east which of the following would be true abot friction... alice roller skates 4 1/4 kilometers on thursday and 4 3/5 kilometers on friday. how many total...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use