29 Conservation of Angular Momentum

29 Conservation of Angular Momentum - A wheel is free to...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
A wheel is free to rotate on an axle that has a built-in motor. If the axle is placed on the ice and the motor begins to turn the wheel, what happens to the axle? a) It begins to turn the same direction, with the same speed. b) It begins to turn the opposite direction, with the same speed. c) It falls over. d) It does not turn ( L is not conserved because of the motor). e) None of the above. motor axle wheel
Background image of page 2
A toy cannon is fixed onto a 6m-diameter merry-go-round at one half the radius. When the cannon is fired, the merry-go-round begins to rotate with an angular momentum of 150 kg*m 2 /s 2 . Given that the cannonball is 400g, what is the exit speed of the ball? cannon
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
the greatest speed? a) When it is closest to the sun. b) When it is farthest from the sun. c) Between the closest and farthest positions. d) The earth travels at a constant speed.
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 10

29 Conservation of Angular Momentum - A wheel is free to...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online