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What is the tangential acceleration of a bug on the rim of a10-inch diameter disk if the disk moves from rest to an angular speed of 99 rev/min in 3.0 s?
1. When the bug in the previous problem is at his final speed of 99 rev/s , what is the tangential velocity of the bug?
2. One second after the bug starts from rest, what is the tangential acceleration of the bug?
3. One second after the bug starts from rest, what is its centripetal acceleration?
4. One second after the bug starts from rest, what is its TOTAL acceleration?
Consider a game of billiards. The cue ball has an initial speed v0 before it strikes the eight ball which was previously at rest, Find the nal speeds of both the cue ball and the eight ball, assuming that the collision was perfectly elastic
Consider a 7 solar mass main sequence star, Estimate its luminosity in solar luminosities and how long (in years) it could maintain its luminosity through gravitational collapse
A window washer pushes his scrub brush up a vertical window at constant speed by applying a force as shown in the figure below.The brush weighs 12.7 N, θ =54.5° and the coefficient of kinetic friction isμk = 0.154.
A motorcycle and rider have a total mass equal to 305 kg. What is the net force on the motorcycle
One end of a nylon rope is tied to a stationary support at the top of a vertical mine shaft 80.0 m deep. Find the speed of a transverse wave on the rope
Gasoline flows through a horizontal pipeline with a flow rateof 25 ft3/min. find the flows speed in the larger diameter pipe
A box of 350N weight is at rest at the bottom of the plank that is 6.0m long and rises 30 degree above the ground. what is the velocity of the box at the top of the plank
two lightbulbs are in series one operating at 120 w and the other operating at 60.0 w. if the voltage drop across the
Since the vehicles stick together after the collision and take the direction of the large truck (greater momentum), I guessed that the small car would have a greater change in kinetic energy.
Neptune has a mass of 1.02 1026 kg and a radius of 2.48 107 m. Assume it is a uniform solid sphere. What is the rotational kinetic energy of Neptune on its axis
X rays diffract from a crystal in which the spacing between atomic planes is 0.179nm. What is the angle of the first-order diffraction
A merry-g-round (I=1/2MR^2) of mas 250kg and radius 3m has been spun so that is has an angular velocity of 15 rad/s. what is the final angular velocity of the merry-go-round
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