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a. A 0.160-kg baseball is pitched with a speed of 34.5 m/s (77.2 mph). When the ball hits the catcher's glove, the glove moves back by 5.03 cm (1.98 in.) as it stops the ball. What was the change in momentum of the baseball?
b. What impulse was applied to the baseball?
c. Assuming a constant acceleration of the ball, what was the average force applied by the catcher's glove?
A step-down transformer has 2000 turns on the primary and 300 turns on the secondary, what is the secondary voltage amplitude
Suppose a tank contains 624 m3 of neon (Ne) at an absolute pressure of 1.01 105 Pa. What is the increase in the internal energy of the neon
A device operates in a three process cycle. In process one, the device receives 35kJ of heat and does no work. Determine the COP or efficiency as applicable
Object A is metallic and electrically neutral. It is charged by induction so that it acquires a charge of -2.86E-6 C. Calculate the difference in mass between the charged objects
What is tension in the cord
To get the top spinning, its string is pulled with a tension of 0.30. Explain how long does it take for the top to complete the first five revolutions? The string is long enough that it is wrapped around the top more than five turns.
A particle has a de Broglie wavelength of 2.7x10-10 m. Then its kinetic energy doubles. What is the particle's new de Broglie wavelength, assuming that relativistic effects can be ignored
Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades and the ice. The mass of the man is 86 kg, Determine the acceleration of the man
A sled is pulled with a horizontal force of 20 N along a level trail, and the acceleration is found to be 0.35 m/s2. find the coefficient of kinetic friction between the sled and the trail
a child is born after 39 weeks in its mothers womb. if the childs birth mass is 3.5kg, how much mass on average does the fetus gain each day in the womb
In 1965 Penzias and Wilson discovered the cosmic microwave radiation left over from the Big Bang expansion of the universe. Determine the corresponding electric field amplitude
A model rocket blasts off from the ground, rising straight upward with a constant acceleration that has a magnitude of 88.8 m/s2 for 1.58 seconds, at which point its fuel abruptly runs out.
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