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A small button placed on a horizontal rotating platform withdiameter 0.320m will revolve with the platform when it is broughtup to a speed of 40.0 rev/min, provided the button is no more than0.150m from the axis.
a) What is the coefficient of staticfriction between the button and the platform?
b) How far from the axis can the button be placed, without slipping, if the platformrotates at 60.0 rev/min?
Suppose a neutron, traveling to the right at 1000 m/s, strikes a proton moving upward at 500 m/s. Find the magnitude and direction of the deuteron velocity vector
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By analyzing a multiflash photograph of a golfer hitting a golf ball, one finds that the head of the club travels 47.0 cm in 0.0105 s, Find the approximate instantaneous speed of the club head at the instant of contact
A train car with mass m1 = 631 kg is moving to the right with a speed of v1 = 7.2 m/s and collides with a second train car with mass m2 = 723 kg. What is the final speed of the train cars latched together
question1a hotel elevator ascends 160 with a utmost speed of 4.9. its acceleration and deceleration both have a
What's the quickest way to approach this problem? A car is traveling at 80 km/h along the highway. How long does it take for the second car to pass the first
Waly Whacko claims to have invented a heat engine that will revolutionize industry. What error did he made in his choice of temperature scale
A circular loop of radius 24.9 cm is located in the plane of the paper inside a homogeneous magnetic field of 0.280 T pointing into the paper. Calculate the current induced in the loop during that time
If the loop's diameter changes from 24.0cm to 5.8cm in 0.67s , what is the direction of the induced current, If the coil resistance is 2.6? , what is the average induced current
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