A Block of Mass M Is Released from Rest at a Height

question 48

Multiple Choice

A block of mass m is released from rest at a height R above a horizontal surface.The acceleration due to gravity is g.The block slides along the inside of a frictionless circular hoop of radius R.
-A physics student shoves a 0.50-kg block from the bottom of a frictionless 30.0° inclined plane.The student performs 4.0 J of work and the block slides a distance s along the incline before it stops.Determine the value of s.

• A)8.0 cm
• B)16 cm
• C)82 cm
• D)160 cm
• E)330 cm

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