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A 60.0kg skier traveling at 20.0m/s reaches the foot of a steady upward 20.0 degree incline and glides 35.0m along this slope before coming to rest. Calculate the coefficient of friction along this slope. and... Power to a cooling fan is turned off when it is turning at 720rpm. The fan makes 1350 revolutions before it comes to rest. Calculate the fan's average angular acceleration and the time it took to come to rest.
A radar station locates a sinking ship at range 18.1 km and bearing 136° clockwise from north. How far apart are the plane and ship
Two parallel plates carry uniform charge densities –0.65 and +0.65. Find the magnitude of the electric field between the plates. Find the magnitude of the acceleration of an electron between these plates.
In a science fiction movie, a 100 g base ball travelling with a speed of 60 m/s and an electron travelling at a speed of 1.2 x 10^7 m/s, What is the momentum of the base ball
A police car is moving towards you at a speed of 36.0 m/s. Its siren produces a frequency of 850 Hz. What frequency do you hear after it passes by you
You run a speech perception experiment comparing apples (n = 50) and oranges (n = 50). Calculate the similarity between the two categories
A solid sphere rolling without slipping on a rough horizontal surface with a linear speed 21m/s collides elastically with a fixed, smooth vertical wall. Find the speed of the solid sphere after it has started pure rolling in the backward direction. T..
Two long, straight wires are separated by a distance of 14.3 cm. One wire carries a current of 2.94 A, the other carries a current of 4.48 A. Calculate the force per meter exerted on the 2.94 A wire
An electric field does 11.10 MeV of work in moving a very small charged particle from point a to point b through a potential difference of -2.22 MV
A car of mass 1450 kg traveling at 26 m/s is at the foot of a hill that rises 140 m in 2.4 km. Find the average power delivered by the car's engine
A cube of wood having an edge dimension of 20.3 cm and a density of 647 kg/m3 floats on water. What is the distance from the horizontal top surface of the cube to the water level?
An electric generator contains a coil of N turns of wire, each forming a rectangular loop of area A. What is the maximum value of the emf (?max) produced when the loop is spun at angular speed
A laser light has a wavelength of 670 nanometers and the separation between the two first order diffraction minima is 11 cm. Calculate the slit width and slit separation
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