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You push your book 1.90 m along a horizontal table top with a horizontal force of 2.00 Newton. The opposing force of friction is 0.601 Newton.
(a) Find how much work does your 2.00 Newton force do on the book?
(b) Compute the work done on the book by the friction force?
(c) Find the total work done on the book?
What is change in the car's kinetic energy KEf - KEo from A to B. How fast will the father be moving.
As a woman walks, her entire weight is momentarily placed on one heel of her high-heeled shoes. Calculate the pressure exerted on the floor by the heel
A thin spherical shell has a radius of 2.8 m and a mass of 410 kg, and its center is located at the origin of a coordinate system. Another spherical shell with a radius of 1 m and mass 165 kg is inside the larger shell with its center at 0.6 m on the..
Standing on the surface of a small spherical moon whose radius is 6.85·104 m, What maximum height above the surface of the moon will the rock reach
What is the tangential acceleration of a bug on the rim of a10-inch diameter disk if the disk moves from rest to an angular speed of 99 rev/min in 3.0 s? When the bug in the previous problem is at his final speed of 99 rev/s , what is the tangential ..
A meterstick (L = 1 m) has a mass of m = 0.121 kg. Initially it hangs from two short strings: one at the 25 cm mark and one at the 75 cm mark. What is the tension in the left string?
at an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. people sit in
A potential difference of 13 V is found to produce a current of 0.45 A in a 2.7 m length of wire, Find the resistance and resistivity of the wire
A small space telescope at the end of a teather line of length "L" moves at liner speed "v" about a central space station, what will be the linear speed of the telescope if the length of the line is reduced to 0.33L
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 23.0 m/s at an angle 28.0 degrees; find What is the distance between the two girls
A line of charge starts at x= +x0 and extends to positive infinity. The linear charge density isλ=λ0x0/x where λ0 is constant. Determine the electric field at the origin
When the displacement in SHM is 0.4 the amplitude A, what fraction of the total energy is kinetic energy, What fraction of the total energy is potential energy
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