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Problem: A laborer pushes a wheelbarrow weighing 200 N at 25.0° above the horizontal. If he pushes it a distance of 25.0 m,
Part A: How much work is done?
Please show all intermediate steps and formulas.
A beam of light shoots from air into a piece of glass. If the refracted angle is half of the incident angle, what is the incident angle
A man enters a tall tower, needing to know its height. He notes that a long pendulum extends from the ceiling almost to the floor and that its period is 16.1 s. How tall is the tower
An AC voltage with an amplitude of 105 Volt is applied to a series combination of a 226 x 10-6 F capacitor, a 106 mH inductor, and a 17.1 ohm resistor. Find the power factor at this frequency
A certain automobile engine is performing work at the rate of 28300 W (38 hp) with an efficiency of 23%. At what rate is heat being expelled by the engine
A baseball is thrown with 29.5 m/s at an angle of 30.1 degree above the horizontal. What is the speed of the ball, just before it is caught
A projectile is fired with an initial speed of 65.2 m at an angle of 34.5? above the horizontal on a long flat firing range. find The maximum height reached by the projectile
A sinusoidal electromagnetic wave from a radio station passes perpendicularly through an open window that has area 0.300 m2. At the window, How much energy does this wave carry through the window
a thin metallic spherical shell of radius 40.1 cm has a total charge of 7.65 ?c uniformly distributed on it. at the
A digital audio compact disc carries data along a continuousspiral track from the inner circumference of the disc to theoutside edge. Each bit occupies 0.6 µm of the track. Find the total length of the track
A ruler of mass m = 75g and L=3.0meters is placed so that it is exactly balanced across two spinning cylinders a distance d = 1.0meters apart. What is the frequency of oscillation in the ruler
A particle is placed at the vector position r = (i + 2j) meter, and the force acting on it is F = (1i + 5j) N. Determine what is the torque about the origin
the hammer throw is a track-and-field event in which a 7.0-kg ball the hammer starting from rest is whirled around in a
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