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After hitting a long fly ball that goes over the rightfielder's head and lands in the outfield, the batter decides tokeep going past second base and try for third base. The 62.0 kgplayer begins sliding 3.40 m from thebase with a speed of 4.90 m/s.
(a) If the player comes to rest at third base, how much workwas done on the player by friction?
(b) What was the coefficient of kinetic friction between the playerand the ground?
An electron moving through an electric field experiences an acceleration of 4.3 103 m/s2. Find the electric force acting on the electron
A textbook of mass 2.08kg rests on a frictionless, horizontal surface. What is the tension in the part of the cord attached to the textbook
Your new sports car of mass m is accelerated from rest at t=0 with constant power P along a level road. ingore any resistance effects, find the speed of your car as a function of time
A 1 012-kg satellite orbits the Earth at a constant altitude of 93-km. What is the change in the system's potential energy
The force of gravity acting on the arm acts through point A. Identify the magnitudes of the tension force t in the deltoid muscle and the force s of the shoulder on the humerus (upper-arm bone) to hold the arm in the position shown.
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 moving at 10.0 m/s encounters a bump that has a circular cross-section with radius of 30.0m, What is normal force exerted by the seat of the car
A 60.0kg athlete runs up a flight of 25 steps, each 20.Ocm high, in 10.0s. Calculate the work done by gravity on the athlete
If a boat and its riders have a mass of 1500kg and the boat drifts in at 1.4m/s how much work does Sam do to stop it
A 5.0 g hollow plastic ball is attached by a thread to the bottom of a beaker. Determine the diameter of the ball
A flat uniform circular disk (radius = 2.40 m, mass = 1.00 x 10^2 kg) is initially stationary. The disk is free to rotate in the horizontal plane about a frictionless axis perpendicular to the center of the disk. A 45.0 kg person, standing 0.95 m fro..
A toroidal solenoid has a mean radius of 14.0 and a cross-sectional area of 3.40 and is wound uniformly with 120 turns. What is the mutual inductance of these coils
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