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A ball of mass M at rest is dropped from the height h above the ground onto a spring on the ground, whose spring constant is k. Neglecting air resistance and assuming that the spring is in its equilibrium, express, in terms of the quantities given in this problem and the gravitational acceleration g, the distance x of which the spring is pressed down when the ball completely loses its energy.
Find the x above if the ball's initial speed is vi.
The output piston of a hydraulic press has a cross-sectional area of 0.24 m2. Find what force is applied to the input piston if it has a diameter of 4.6 centimeter
A sealed cubical container 22.0 cm on aside contains three times Avogadro's number of molecules at atemperature of 22.0°C. Find the force exerted by the gas on one of the walls of the container
a large metal sheet of thickness l is placed between and parallel to the plates of the parallel-plate capacitor of the
a small mailbag is released from a helicopter that is descending steadily at 1.50 ms. after 3.00 s answer the following
question a 182 mh inductor whose windings have a resistance of 8.20 omega is connected across a 9 v battery with an
A 15 kg block is accelerated at 1.7 m/s2 up a frictionless plane inclined at 5.0° to the horizontal, find the change in the block's mechanical energy
A grating spectrometer is used to resolve third order peaks from two wavelengths of ?1 = 455.00 nm, What is the minimum number of slits this grating must have
Since the ends are open, the boundary conditions force the standing wave (representing the displacement of air molecules) that is produced in the bugle to have antinodes at the open ends of the bugle
a suspicious-looking man runs as fast as he can along a moving sidewalk from one end to the other taking 4.00 s. then
Zinc has a density of 7.14 g/cm3, and the mass of a zinc atom is 1.09 10-25 kg. What is the distance between the centers of adjacent atoms
A firm wants to calculate the amount of frictional torque in their current line of grindstones; therefore they can redesign them to be more energy efficient. Find what is the frictional torque exerted on the grindstone
A point source emits 26.0 W of sound isotropically. A small microphone of effective cross-sectional area 0.350 cm2 is located 175 m from the source. estimate the power intercepted by the microphone
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