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1. An m1 = 8.0 kg box lies on a frictionless table, and is attached to a m2 = 5.0 kg box by a light cord passing over a rotating pulley. The pulley has a mass of 3.6 kg and a radius of 0.40 m. Just as the system is released, find:
(i) the linear acceleration of the masses
(ii) the tension in the cord both above and below the pulley.
A ball with mass m = 0.170 kg and kinetic energy K1 = 2.17 J collides elastically with a second ball of thesame mass that is initially at rest. find the kinetic energy of the first ball after the collision
You hit a 142 g baseball by swinging a bat with a force of 500 N. The collision lasts for 25.0 ms. If the ball was initially thrown at 19 m/s, What is the final speed of the ball
A man drags a 75.0-kg crate across the floor at a constant velocity by pulling on a strap attached to the bottom of the crate. Find the magnitude of the tension in the strap
A straight wire segment 2 m long makes an angle of 30° with a uniform magnetic field of 0.37 T. Find the magnitude of the force on the wire
The electric potential at a certain distance from a point charge can be represented by V, What is the value of the electric potential
Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades and the ice. Determine the acceleration (magnitude and direction) of the man
A hot iron horseshoe (mass = 0.38 kg), just forged (Fig. 14-16), is dropped into 1.68 L of water in a 0.33 kg iron pot initially at 20 °C. estimate the initial temperature of the hot horseshoe
If an organ pipe, 2 ft long and with one end closed and one end open, how long is the second organ pipe
A sphere with radius 0.15m has density p that decreases with distance r from the center of the sphere according to p= 2.75*10^3 kg/m^3 - (9.5*10^3kg/m^4)r
A charge q=-1.0 nC is instantaneously at a place where the electric field is 45 kN/C due east. hat are the magnitude and direction of the electron force on this charge
how is the graph of the total volume of a bathtub while the water inflow rate follows a seesaw pattern for half of the time and the similar pattern for outflows on the other half.
A standard 1 kilogram weight is a cylinder 44.0 mm in height and 40.0 mm in diameter. What is the density of the material
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