C8 - From last time. How hard do you have to throw a rock...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
How hard do you have to throw a rock to hit the moon? Neglect air resistance. From last time. ..
Background image of page 1

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

View Full DocumentRight Arrow Icon
C8: Force and Energy
Background image of page 2
A pendulum with string length 0.25 m and a bob of mass 0.1 kg is released from rest an angle of 30 degrees from vertical. How fast is the bob moving at the bottom of the swing? Neglect the mass of the string. Neglect air resistance.
Background image of page 3

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

View Full DocumentRight Arrow Icon
A block of mass 0.5 kg starts from rest, and then is pushed up a 25° incline by a constant horizontal force of 5.5 N. In addition, there is a constant frictional force of 1.2 N acting on the block. How fast is the block moving after it has travelled a distance of 0.75 m? 25° 5.5 N 0.5 kg
Background image of page 4
Background image of page 5

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

View Full DocumentRight Arrow Icon
Background image of page 6
Background image of page 7

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

View Full DocumentRight Arrow Icon
Background image of page 8
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 8

C8 - From last time. How hard do you have to throw a rock...

This preview shows document pages 1 - 8. Sign up to view the full document.

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