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phys 220
Questions (5)
A 3.9kg block moving at 2.0 m/s toward the west on a frictionless surface has an elastic head-on collision with a second 0.80kg
1 answer
685 views
Estimate the change in gravitational potential energy when a person with mass 95kg rise from bed to a standing position.
2 answers
3,151 views
Express the angular velocity of 36 rpm (revolutions per minute) in units of radians per second (rad/s).
1 answer
1,050 views
A group of students observes that a wooden block (m = 0.40 kg) on the end of a string with a radius of 0.7 meters makes 5
1 answer
1,391 views
A group of students observes that a wooden block (m = 0.40 kg) on the end of a string with a radius of 0.7 meters makes 9
1 answer
2,022 views
