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a). Suppose a hockey puck slides down a frictionless ramp with an acceleration of 4.00 m/s2....

a). Suppose a hockey puck slides down a frictionless ramp with an acceleration of 4.00 m/s2. What angle does the ramp make with respect to the horizontal?

____ degree

b).If the ramp has a length of 5.80 m, how long does it take the puck to reach the bottom?

_____ s

c). Now suppose the mass of the puck is doubled. What's the puck's new acceleration down the ramp?

_____ m/s^2

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