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OpenStudy (anonymous):
Starting from rest, a 5.00 kg steel sphere rolls down a frictionless ramp with a height of 4.00 m. What is the sphere's speed when it reaches the bottom of the ramp?
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OpenStudy (anonymous):
first of all on a frictionless ramp ball cant rotate and the change in potential energy must be equal to change in kinetic energy so|dw:1351608228665:dw|
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