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A .250 kg ball is dropped from a height of 10.0 cm onto a spring, as illustrated. If the spring has a spring constant of 60.0 N/m
a). what distance will the spring be compressed? (neglect energy loss during collision.)
b). On recoiling upward, how high will the ball go?
A rescue helicopter lifts a 60 kg person straight up by means of a cable. The person has an upward acceleration of 0.70 m/s2, How much work is done by the person's weight
A small ball is thrown horizontally out of a window 7.50 m above the ground. With what speed was it thrown
Objects A and B are both positively charged. Both have a mass of 118 g, but A has twice the charge of B. How large is the force on A
q1. a 2.5g copper penny is given a charge of -0.50 mc.how many excess electrons make up this charge?what is the
A flight attendant pulls her 75 N flight bag a distance of 305 m along a level airport floor at a constant velocity. Find the work done by the force of friction on the flight bag
A light ray with an incident angle of 38.5 degrees crosses from air to a solution and has an angle of refraction of 21.9 degrees. What is the speed of the ligth ray in the solution
There is also blue light which has a transmitted angle in the water that is 0.56 degrees smaller than that of the red light in the water. What is the incident angle of blue light
A speedboat moves on a lake with initial velocity vector v1,x = 8.21 m/s and v1,y = -2.95 m/s, What are the components of the speedboat\'s final velocity, Find the speedboat's final speed
Two runners compete in a race of 10.04 km. One runner has a steady speed of 11.14 km/h. What is the difference in time for the two runners
A cannon ball is fired from ground level with a speed of 60.0 m/s at an angle of 58 deg. above the horizontal. what is the speed of the cannon ball when it is directly above the wall
The current in a coil drops from 3.9 A to 1.8 A in 0.53 s. If the average emf induced in the coil is 12 mV, what is the self-inductance of the coil
A stone is dropped into a well. The sound of the splash is heard 2.30 s later. What is the depth of the well
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