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A bowling ball with a diameter of 21.9cm is rolling down a level alley surface at 12.1m/s without slipping. Assume the ball is uniform and made of plastic with a density of 850kg/m3 . What is the angular speed of the ball? Calculate the speed (relative to the alley surface) of a point on top of the ball directly above the contact point on the floor. v=? What is the ball's linear kinetic energy? K=? If it now starts to roll up a 30 incline, how far up the incline will it travel before it stops?
d=?
A disk-shaped merry-go-round of radius 2.73m and mass 185kg rotates freely with an angular speed of 0.681rev/s. What is the final angular speed of the merry-go-round
Say the electrical company needs to step down the voltage from 7200V RMS in the power line behind your house to the required 120V RMS, how many loops must be on the secondary side
question1the overall gain of an stm controller is 10000x equivalent to40db where db10log10 at low frequencies. if piezo
An astronomer observes electromagnetic waves emitted by oxygen atoms in a distant galaxy that have a frequency of 5.710 × 1014 Hz. Determine the relative velocity of the galaxy with respect to the astronomer on the earth
A charge of 3.0 micro coulombs and a second charge are initially far apart. If it takes 29 J of work to bring them to a final configuration in which the 3.0 micro coulombs is at x = 1.0 mm,
An alpha particle (charge 2e) is sent at high speed toward a gold nucleus. The electric force acting on alpha particle is 91 N when it's 2.00 x 10^(exponent)-14m away from the gold nucleus What is the charge on gold nucleus, as a whole number mult..
A ballplayer standing at homeplate hits a baseball that is caught by another player at the same height above the ground from which it was hit. The ball is hit with an initial velocity of 21 m/s at an angle of 54° above horizontal.
A pair of eyeglass frames are made of an epoxy plastic (coefficient of linear expansion = 1.30 10-4°C-1). To what temperature must the frames be heated
A pyramid has a height of 503 ft and its base covers an area of 12.0 acres, Find the volume of this pyramid in cubic meters
An electron gun inside a computer monitor sends an electron toward the screen at a speed of 1.20 × 108 m/s. what is the magnitude of its relativistic momentum
A clothes dryer runs on 4400 W. If the dryer draws 20 A of current, what is the resistance of the dryer
A meter stick is hinged at its lower end and allowed to fall from a vertical postion. iof its moment of inertia is Ml2/3 with what angular velocity does it hit the table
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