Posted by **hisham** on Thursday, November 15, 2012 at 12:38pm.

EXERCISE 4.9 (a) Suppose a hockey puck slides down a frictionless ramp with an acceleration of 5.00 m/s2. What angle

does the ramp make with respect to the horizontal? (b) If the ramp has a length of 6.00 m, how long does it take the

puck to reach the bottom? (c) Now suppose the mass of the puck is doubled. What’s the puck’s new acceleration down the

ramp?

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