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A 5.0-kg mass attached to a spring is displaced 8.0 cm from equilibrium position. It is released and it oscillates with a frequency f. When the block is 2.0 cm from equilibrium, it has a speed of 3.0 m/s. What is the frequency of the oscillation? Assume that the surface is frictionless.
Here on Earth you hang a mass from a vertical spring and start it oscillating with amplitude 1.9 cm. How long does it take for the mass to make one round trip
At a constant speed of 55 km/h , an automobile travels 600m along a straight highway that is inclined 5.0 degrees to the horizontal. What is the cars vertical velocity magnitude
What focal length does the lens need. how many meters will the car have moved before it begins to slow down.
to measure the mass of an object, the object and a fixed 1.00 kg mass are held at rest on a frictionless surface with a llight spring under compression between the two objects. what is the mass of the object
Two cylinders have the same radius R = 0.6 m and length 0.6 m, but one is a solid cylinder of massM1 = 4.5 kg, What is the ratio of the final speed of the solid cylinder to that of the hollow cylinder
An object glides on a horizontal tabletop with a coefficient of kinetic friction of 0.3. If it comes to rest after 1.3 seconds, what was its initial velocity
It is desired to build a heat pump that has an output temperature of 31 °C. Calculate the maximum coefficient of performance for the pump when the input source is ground water at 8.1 °C
A source delivers an AC voltage of the form ?v = 92.2 sin (60?t), Find the rms voltage of the source
Two narrow slits 0.286 mm apart are illuminated by light of wavelength 542. nm. The light falls on a screen 1.60 m away from the slits. What is the angular seperation between adjacent maxima
a radar pulse travels from the earth to the moon and back in 2.6 seconds. Calculate the distance from the earth to the moon
Three people pull simultaneously on a stubborn donkey. Jack pulls eastward with a force of 83.7 N, Jill pulls with 91.9 N in the northeast direction, Find the magnitude of the net force the people exert on the donkey
A total charge of Q is deposited on a solid metal sphere of radius R. This charge distributes itself uniformly over the surface, yielding an electrostatic field E~ perpendicular =(sigma / e0) n^ just outside the sphere and E~ = 0 everywhere insid..
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