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A physics student playing with an air hockey table (a frictionless surface) finds that if she gives the puck a velocity of 3.74 m/s along the length ( 1.76 m) of the table at one end, by the time it has reached the other end the puck has drifted a distance 2.50 cm to the right but still has a velocity component along the length of 3.74 m/s. She concludes correctly that the table is not level and correctly calculates its inclination from the above information.
A) What is the angle of inclination?
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The 2.00 kg object below is released from rest at the height of 5.0 m on a curved frictionless ramp. At the foot of the ramp is a spring of force constant k = 450 N/m. The object slides down the ramp and into the spring, compressing it a distance x b..
Jack was exposed to fast neutrons; he received a radiation dose of 280rem on part of his hand, affecting 30.0grams of tissue. What was the total energy of the radiation Jack received
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