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A- If the velocity of a pitched ball has a magnitude of 35.0 m/s and the batted ball's velocity is 65.0 m/s in the opposite direction, find the magnitude of the change in momentum of the ball.
B- Find the magnitude of the impulse applied to it by the bat.
C- If the ball remains in contact with the bat for 2.00 ms, find the magnitude of the average force applied by the bat.
A 75 kg unicycle and rider zoom along at 8 m/s. find the ratio of the rotational kinetic energy to the translational kinetic energy
A series RLC circuit has a peak current of 1.0 A with a frequency of 7 kHz. determine the average power of the circuit over one cycle
The water in a deep underground well is used as the cold reservoir of a Carnot heat pump that maintains the temperature of a house at 294 K. Determine the temperature of the well water
A wheel starts from rest and rotates about its axis with constant angular acceleration. What is the angular velocity when the time t = 6.7 s
A proton accelerates from rest in a uniform electric field of 690 N/C. At one later moment, its speed is 1.30 Mm/s, Find the acceleration of the proton
The lenses of a particular set of binoculars have a coating with index of refraction n = 1.38, and the glass itself has n = 1.52. what is the minimum thickness of the coating
How many 104 W lightbulbs can you use in a 102 V circuit without tripping a 17 A circuit breaker? (The bulbs are connected in parallel that means that the potential difference across each lightbulb is 102 V.)
q1. a pair of 12 rm mu f capacitors in a high-power laser are charged to 1.5 rm kv.what charge is stored in each
Two isotopes of a certain element have binding energies that differ by 4.9060 MeV. Find the difference in atomic mass between the two isotopes
Two police cars have identical sirens that produce a frequency of 560 Hz. Find the speed of the approaching police car
Manufacturers of headache remedies routinely claim that their own brands are more potent pain relievers than the competing brands. Find the number of molecules of pain reliever
Evaluate what is the distance between the two dark fringes on either side of the central bright fringe?
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