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You are moving into an apartment and take the elevator to the 6th floor. Suppose your weight is 750 N and that of your belongings is 970 N.
(a) Determine the work done by the elevator in lifting you and your belongings up to the 6th floor (15.2 m) at a constant velocity.
(b) How much work does the elevator do on you alone (without belongings) on the downward trip, which is also made at a constant velocity?
A 300 turn solenoid has a radius of 1.00 cm and a length of 15.0 cm. Find the inductance of the solenoid
Sarah throws a ball too hard so it is over Julie's head when it reaches Julie's horizontal position, What is the speed of the ball when it leaves Sarah's hand
When a potential difference of 12 V is applied to a wire 5.6 m long and 0.28 mm in diameter the result is an electric current of 1.2 , What is the resistivity of the wire
Illustrate what is the number of shares to be used in computing basic earnings per share and diluted earnings per share, respectively, for the year ended December 31, 2007?
Vector A has a magnitude of 8 units and makes an angle of 45.0° with the positive x-axis. Vector B also has a magnitude of 8.00 units and is directed along the negative x-axis. (Using graphical methods), find (a) vector sum A + B and (b) vector diffe..
A particle with a mass of 1.00 10-5 kg and a charge of +2.3 µC is released in a (parallel-plate) uniform horizontal electric field of 16 N/C. A. How far horizontally does the particle travel in 0.46 s
In a fast-pitch softball game the pitcher is impressive to watch, Determine the angle of the total acceleration relative to the radial direction
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A perfectly inelastic collision (both cars stick together after the collision) occurs between a 2000kg car moving at 7m/s, What is the velocity of the cars immediately after impact
Two 50.0 N weights are suspended at opposite ends of a rope that passes over a light, frictionless pulley, find the tension in the rope and chain
In 1960 a Tampa, Florida, mother reportedly raised one end of a car that had fallen onto her son when a jack failed. how much work did her force do on the car
A 17-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 32 N. Find the coefficient of kinetic friction between the runners of the sled and the snow
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