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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 1.0-cm-diameter microscope objective has a focal length of 2.8mm. What is the resolving power of the objective if it is used in an oil-immersion microscope with noil= 1.45
A circuit consists of one DC power supply providing 20 V and four resistors R1 = 10 Ohm, R2 = 20 Ohm, R3 = R4 = 40 Ohm. Calculate the total power provided by the power supply
Three charges are located along the x-axis. Charge A (+5.00x10-6 C) is located at the origin. Find the total force (and direction) on charge B
A uniform rod of mass 3.05×10^-2?2kg and length 0.370m rotates in a horizontal plane about a fixed axis through its center, compute the angular speed of the rod after the rings leave it
In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.0315 s, find the vertical components of the launch velocity
A woman on a rocket traveling at 0.82c (with respect to Earth) observes a meteor come from in front of her and pass her at 0.85c
A 3.00-liter aluminum cylinder at 5.00°C is filled to the brim with gasoline at the same temperature. If the aluminum and gasoline are warmed to 60.0°C, how much gasoline spills out
With its wheels locked, a van slides down a hill inclined at 26.0 to the horizontal. Find the acceleration of this van if the hill is icy and frictionless
The nucleus of an atom consists of protons and neutrons (no electrons). A nucleus of a carbon-12 isotope contains six protons and six neutrons.
A car travels due East with a speed of 33.5 km/h. Rain is falling vertically with respect to the Earth. Find the velocity of the rain with respect to the car
A 180g block hangs from a spring with spring constant 6.0 N/m. At the block is 31cm below the equilibrium point and moving upward with a speed of 98.0cm/s. What is the block's position at t = 9s.
Uniform plate of height 1.980 m is cut in the form of a parabolic section. Find the moment of inertia of the plate
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