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Samantha pushes a 60-N crate up a ramp 20.0 m in length and inclined at 10° with the horizontal.What potential energy change does the crate experience?
Q2: A 15.0-kg block rests on a level
Q3: A miniature spring-loaded,radio-controlled gun is mounted on
Q5: A 0.12-m radius grinding wheel takes 2.1
Q15: As a 4.0-kg bucket is being lowered
Q30: What is the total mass of the
Q33: Alex throws a 0.43-kg rubber ball down
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Q43: A 0.12-m-radius grinding wheel takes 5.5 s
Q61: Ann the Astronaut weighs 60 kg.She is
Q66: A Boeing-737 airliner has a mass of