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A stick of mass M and length L is initially upright on a frictionless table (balanced on one of its ends). The stick starts to fall. Discover an equation for the velocity of the center of mass as a function of the angle \theta.
(Hint: The CM moves vertically. Utilize conservation of total energy).
Dan is gliding on his skateboard at 4.00 m/s. He suddenly jumps backward off the skateboard, How fast is Dan going as his feet hit the ground
After getting a drink of water, a hamster jumps onto an exercise wheel for a run. Find the work done by the hamster to get the exercise wheel moving
A 7-Kg bowling ball whose radius is 0.13 m is rolling directly towards you, turning 3 times per second. What is its translational angular momentum about you
An electron initially at rest is accelerated between two parallel plate 2.000 cm apart, What kinetic energy does the electron have when it hits the positive plate
A wall in a house contains a single window. The window consists of a single pane of glass whose area is 0.18 m2 and whose thickness is 2.3 mm. what is the percentage lost by the window
The 3.70 cm3 volume between the plates of a 444 pF parallel-plate capacitor is filled with a dielectric, Find the permittivity of the dielectric
H-F molecule has spring constant of 970 N/m. Assume that an H-F chemical laser, which lases betwee vibrational states of the H-F molecule, how many photons per seconde does it emit
Work of 1500 J is done on an ideal gas, but the internal energy increases by only 800 J. What is the amount and direction of heat flow into or out of the system
Suppose that the light is incident at right angles to the film. what is the minimum distance from the slits to the screen when 580 nm light is used.
a 9.05 kg monkey is hanging by one arm from a branch and swinging on a vertical circle. as an approximation assume that
If the stretch of a spring is doubled, the force it exerts is also doubled. By what factor does the spring’s potential energy increase? Two bullets are fired at the same time with the same kinetic energy. If one bullet has twice the mass of the oth..
Light from a 554-nm monochromatic source is incident upon the surface of fused quartz (n = 1.56) at an angle of 22 °
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