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Katie and Emily are riding on a circular merry-go-round that has a radius of 5 m. Katie is on a horse that is 2.5 m from the center of merry-go-round and Emily is on a tiger that is 4.5 m from the center of the merry-go-round. What is Katie’s tangential velocity if her angular velocity is 0.5 rad/s? What is Emily’s tangential velocity if Katie's angular velocity is 0.5 rad/s?
Standing waves on a 1.7m long string that is fixed at both ends are seen at successive frequencies of 36 Hz and 54Hz A) What is the fundamental frequency B) What is the wave speed
Vital Signs of Planet Earth
A 0.65 percent C hypoeutctoid plain carbon steel is slowly cooled from about 950°C to a temperature just slightly above 723°C. calculate the weight percent austenite and weight percent proeutectoid ferrite in this steel. Explain it.
A sled of mass m is given a kick on a frozen pond. The kick imparts to it an initial speed of vi = 2.00 m/s. find the distance the sled moves before it stops
A beam of light propagating in glass (n=1.52) is incident on an interface with an unknown material. When the incident angle is exactly 62° the all of the light is reflected at this interface, but for smaller angles some light is transmitted. What is ..
What was the ray's angle of incidence on the diamond. What should be the magnitude of , so that the net work done by it and the kinetic frictional force is zero.
Two stretched cables both experience the same stress. The first cable has a radius of 3.1 times 10-3 m, and is subject to a stretching force of 230 N. The radius of the second cable is 4.6 times 10-3 m. Determine the stretching force on the second ca..
Find density of the object
a current of 2.78A slows in a straight wire segment of length 3.00cm i + 4.00cm j in a uniform magnetic field of strngth (2.50T).
define How long are the skid marks. calculate the time it takes the sled to go 21 m down the slope.
An asteroid orbiting the Sun has a mass of 4.00Ã?1016 kg. At a particular instant, How far is the asteroid from the Sun
At time t=0 a grinding wheel has an angular velocity of 27.0rad/s, At what time does the wheel stop
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