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A person throws a stone vertically downward with an initial speed of 16 meter per second from the roof of a building 44.7 meter above the ground
Find what velocity does the stone have at impact?
A mass m=4.8kg hangs on the end of a massless rope L=1.92m long. The pendulum is held horizontal and released from rest. what is the maximum mass that can be used
Two objects with masses of 3.90 kg and 6.20 kg are connected by a light string that passes over a frictionless pulley, as in the figure below. (The figure shows a pulley with the two objects on opposite sides hanging vertically) (a) Determine the ..
A diffraction grating is placed 1.00 m from a viewing screen. Light from a hydrogen lamp is passed during the grating, and the 656 nm line in the hydrogen spectrum is seen in first order 60.0 cm to one side of the center. Then the hydrogen lamp is re..
The radius of a typicalhuman eardrum is about 4.0 mm. Find the energy persecond received by an eardrum when it listens to sound that is atthe threshold of hearing. Find the energy per second receivedby an eardrum when it listens to sound that is a..
a person pulls a toboggan for a distance of 20.0 m along the snow with a rope directed 30.0deg above the snow. the
A block whose mass m is 680 kg is fastened to a spring whose spring constant k is 65 N/m. What is the phase constant for this motion
Explain how you might use the concept of beat frequency to tune a musical instrument using tuning forks. Would this method work better for an instrument that is slightly out of tune or an instrument that is completely out of tune?
A car is traveling down around a banked curve in the road. Thecurve has a radius of 300 m and is banked at an angle of10.0o. (a) At what speed is no friction required?
The same voltage is applied between the plates of two different capacitors. When used with capacitor A, this voltage causes the capacitor to store 12 C of charge and 6.1 x10-5 J of energy.
An atomic nucleus of mass m traveling with speed v collides elastically with a target particle of mass 2m initially at rest and is scattered an 90 degrees. what angle does the target particle move after collision
An airplane propeller is 2.02 min length (from tip to tip) with mass 109 kg. The propeller is rotating at 2000 rev/min about an axis through its center. What is its rotational kinetic energy
From street level, Superman spots Lois Lane in trouble-the evil villain, Lex Luthor, is dropping her from near the top of the Empire State Building. At that very instant, the Man of Steel starts upward at a constant acceleration to attempt a midair r..
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