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A solid sphere is released from rest and allowed to roll down a board that has one end resting on the floor and is tilted at 22° with respect to the horizontal. If the sphere is released from a height of 59 cm above the floor, what is the sphere's speed when it reaches the lowest end of the board?
_______ m/s
A string provides a horizontal force which acts on a 500 N rectangular block at top right-hand corner, find the tension in the string required to start to tip the block over
Wavelengths of light from a remote galaxy are found to be 1.5 % longer than the corresponding wavelengths measured here on earth. What is the speed of the galaxy relative to earth
A 626g sample of water at 90 degrees is mixed with 441g of water at 30 degrees. What is the final temp of the mixture? Presume not heat is lost to the surroundings.
At rest, a car's horn sounds at a frequency of 410 Hz. The horn is sounded while the car is moving down the street. What is the speed of the car
A beam of 12 cm microwaves strikes a surface glass with an index of 1.5 at an incident angle of 45 degrees. Compute the transmitting angle
An early .75 caliber rifle fires a 12 gram spherical ball at 800 ft/sec with a spin of 1 revolution per 114 mm. How much energy is in the rifle ball
Two positive charges, each of magnitude 4 x 10^-6C are located a distance of 8 cm from each other. What are the directions of the forces acting on each
A rocket that is in deep space and initially at rest relative to an inertial reference frame has a mass of 2.80 105 kg, of which 1.92 105 kg is fuel. What is the rocket's thrust
Explain how the process of "doping" a semi conductor can improve its overall efficiency. Why does "doping" require a clean room infrastructure
Two parallel plates each of area 7.00 cm^2 are seperated by 3.50 mm of water The electric field between the plates has a magnitude of 2290 N/C, what is the charge stored on each plate
A diffraction grating of 6000 lines/cm is illuminated by monochromatic light. How far from the central maximum is the first order maximum
What is the dissimilarity between sprinters and nonathletes
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