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A .165 kilogram baseball is thrown to frank at 24.5 m/s. The ball is hit by Joe with the equal velocity and path. If the bat was in contact with the ball for .0116 sec, calculate the average force the bat exerted on the ball. Determine could this force lift Jose a 70 kg kid?
A speedboat starts from rest and accelerates at +2.01 m/s2 for 7.40 s. What is the velocity of the boat at t = 21.8 s
A spacecraft approaching the earth launches an exploration vehicle. After the launch, an observer on earth sees the spacecraft approaching at a speed of 0.58c and the exploration vehicle approaching at a speed of 0.73c. What is the speed of the explo..
An object of mass 3.09 kg, moving with an initial velocity of 4.90 m/s, collides with and sticks to an object of mass 2.89 kg with an initial velocity of -3.84 m/s
Two buckets of sand hang from opposite ends of a rope thatpasses over an ideal pulley. One bucket is full and weighs 120 N;the other bucket is only partly filled and weighs 63N.
A charged ion has a mass of 2.5x10^-26 kg and charge 1.25x10^-19 C. Determine the radius of the path
A +30mc charge is placed on a metallic sphere of 1.0cm radius. The sphere is surrounded by a spherical thick metallic shell, calculate the electric potential of each of the two conductors
a woman throws a ball at a vertical wall d 4.0 m away. the ball is h 2 m above ground when it leaves the womans hand
After flying for 15 minute in a wind blowing 42 km/h at an angle of 22 degree south of east, Find the speed of the airplane relative to the air
Copper has an electrical resistivity %u03C1 = 1.72 x 10-8 %u03A9m. What is the electrical resistance of a copper wire with a radius of 1.0 mm and a length of 25 m
In an LC circuit where L = 12 mH and C = 30 μF with anelectromagnetic oscillation the current amplitude is 2.5mA. find the natural frequency and the period of the oscillation
An explosion breaks an object initially at rest into two pieces, one of which has 1.8 times the mass of the other. find how much kinetic energy did the heavier piece acquire
A space traveller weighs herself on Earth, at a location where the acceleration due to gravity is 9.82 m/s2, and finds a value of 571 N. What is the traveller\'s mass on the planet
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