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in an exciting game, a baseball player manages to slide safely into second base. the mass of the player is 80.9 kg and the coefficient of kinetic friction between the ground and the player is .48
A. find the magnitude of the frictional force.
b. if the player takes 1.4s to come to rest what was his initial velocity.
A 4.80-m clothesline is hung between two poles that are 4.76 m apart
A particle and its anti-particle are directed toward each other, each with rest energy 1000MeV. what must the speed of the particle and antiparticle be before the collision
A 0.21-kg pinecone falls 15 m to the ground, where it lands with a speed of 9 m/s, How much work was done on the pine cone by air resistance
A round pipe of varying diameter carries petroleum from a wellhead to a refinery. At the wellhead the pipe\'s diameter is 50.5 cm, what is the pipe\'s diameter at the refinery
A bus contains a 1440 kg flywheel ( a disk that has a 0.670 m radius ) and has a total mass of 9400 kg. Calculate the angular velocity of the flywheel
A hydrogen atom has an angular momentum of 1.055x10^-34 kg.m^2/s. According to the Bohr model, what is the energy (eV) associated with this state
A crate with mass 36.0 initially at rest on a warehouse floor is acted on by a net horizontal force of 142. Explain how far does it travel in 12s and what is its speed at that time?
find static friction between the chair and the floor.
A circus clown weighing 175 pounds is fired from a cannon at 50 degrees above the horizontal. What was the initial velocity of the clown
Two metal balls are hung from strings. The first ball, 0.14 kg, is pulled to the side and released so that it strikes the second ball with a speed of 1 m/s. What is the mass of the second ball
A 10cm -diameter cylinder contains argon gas at 10 atm pressure and a temperature of 60?C . A piston can slide in and out of the cylinder. What is the final length of the cylinder
Consider a conical pendulum with a bob of mass m=82.0 kg on a string of length L=10.0 m that makes an angle of theta=8.00 degrees with the vertical, Determine the radical acceleration of the bob.
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