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A 0.04-kg baseball traveling in a horizontal direction with a speed of 16 m/s hits a bat and is popped straight up with a speed of 15 m/s.
(a) What is the change in momentum (magnitude and direction) of the baseball?
(b) If the bat was in contact with the ball for 20 ms, what was the average force of the bat on the ball?
A car of mass = 1300 travelling at 56.0 enters a banked turn covered with ice. The road is banked at an angle, and there is no friction between the road and car's tires. What is the radius of the turn if = 20.0 (assuming the car continues in uniform ..
Analyse average density of the white dwarf
A 1.57-? resistor is connected across a 6.90-V battery. The voltage between the terminals of the battery is observed to be only 6.30 V
Four point charges are arranged in a square with side length 1 meter. Charges qA and qD have charges of q= +1 uC, and charges qB and qC have charges of q= -1 uC. Point E exists at the center of the square.
State the maximum height in terms of a, t_1, and/or g. Note that in this problem, g is a positive number equal to the magnitude of the acceleration due to gravity.
A small moon of a giant planet has an orbital period of 1.74 days and an orbital radius of 4.02 105 km. determine the mass of the planet
Imagine that in a certain proton accelerator, roughly 1011 protons at a time go around a ring having a radius of 4.0 km, What is the current flowing in the ring, in amperes
An electron moves into a uniform magnetic field B = 0.182mT with initial speed with v = 12000m/s, What is the radius of the helical motion
A 110 pound person climbs the benches from the bottom to the top of Sun Angel Track Stadium. Calculate the minimum amount of glucose (in grams) that would need to be oxidized
Initially, a swift-moving hawk is moving due west (in the -x direction) with a speed of 60 m/s; 5.0 s later it is moving due north (in the +y direction) with a speed of 25 m/s.
You have a ball on a wire that is twirled in a circular orbit with a radius of 3.7 m, What is the speed of the ball in orbit
A locomotive pulls a train along a straight, horizontal track at constant velocity. What horizontal forces act on the train and the locomotive
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