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A 5.0 kg wooden block is placed on an adjustable wooden inclinedplane. (hint: For wood onwood, μs is approximately .58and μk is approximately .40 .)a) What is the angle of incline above which the block will startto slide down the plane?b) At what angle of incline will the block then slide down theplane at a constant speed?
One and one-half moles of an ideal monatomic gas expand adiabatically, performing 7910 J of work in the process. What is the change in temperature of the gas during this expansion
A 2680 satellite used in a cellular telephone network is in a circular orbit at a height of 800 above the surface of the earth. What fraction is this force of the satellite's weight at the surface of the earth
A man pushes a lawn mower on a level lawn with a force of 187 N. If 51 percent of the force is directed horizontally, how much work is completed by the man in pushing the mower 7.0 m.
A potter's wheel moves from rest to an angular speed of .20 rev/s. Find its angular acceleration in radians per second per second.
a 0.63 kg ball thrown directly upward with an initial speed of 13.7 ms reaches a maximum height of 8.1 m. what is the
A planet of mass m = 8.15 Ã? 1024 kg is orbiting in a circular path a star of mass M = 6.05 Ã? 1029 kg. What is the orbital period (in earth days) of the planet Tplanet
The tub of a washer goes into its spin cycle, starting from rest and gaining an angular speed of 5.00 rev/s smoothly in 10.0 s. At this point the person doing the laundry opens the lid, and a safety switch turns off the washer. The tub slows smoothly..
A certain kind of glass has an index of refraction of 1.648 for blue light of wavelength 439 nm and an index of refraction of 1.619 for red light of wavelength 677 nm
the triceps muscle in the back of the upper arm extends the forearm. this muscle in a professional boxer exerts a force
A straight object of length 2.7 cm lies along the central axis of a spherical mirror with focal length 8.5 cm. What is the length of its image in the mirror
with what speed would the arrow leave the bow.
a charged particle a exerts a force of 2.60 micron to the right on charged particle b when the particles are 14.0 mm
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