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A bowler throws a bowling ball of radius R = 11 cm along a lane. The ball (the figure) slides on the lane with initial speed vcom,0 = 7.9 m/s and initial angular speed ?0 = 0. The coefficient of kinetic friction between the ball and the lane is 0.30. The kinetic frictional force k acting on the ball causes a linear acceleration of the ball while producing a torque that causes an angular acceleration of the ball. When speed vcom has decreased enough and angular speed ? has increased enough, the ball stops sliding and then rolls smoothly. During the sliding, what are the ball's (a) linear acceleration and (b) angular acceleration? (c) How long does the ball slide? (d) How far does the ball slide? (e) What is the linear speed of the ball when smooth rolling begins? Note that the clockwise direction is taken as negative.
A submarine dives 90.0 m at an angle of 8.0° below the horizontal. What are the horizontal and vertical components of submarine's displacement? (Imagine that upward and the direction of the submarine's horizontal motion is positive.)
What is the wavelength of the peak of the blackbody radiation curve for something at 3,000 kelvins (the temperature of the filament of a light bulb)
q1. how high does a rocket have to go above the earths surface until its weight is 0.8 times its weight on the earths
Runner A is initially 3.0 mi west of a flagpole and is running with a constant velocity of 3.0 mi/h due east. How far are the runners from the flagpole when they meet
Freud believed that certain troubling symptoms might be traced to painful unconscious memories. This led him to suspect that these symptoms resulted from.
Sam, whose mass is 71kg , takes off across level snow on his jet-powered skis. What is Sam's top speed
A glass block (n = 1.56) is immersed in a liquid. A ray of light within the glass hits a glass-liquid surface at a 69.0° angle of incidence. What is the smallest possible refractive index for the liquid
A constant force, F = (4.51, ?3.79, 2.30) N, acts on an object of mass 18.2 kg, What is the total work done by this force
An alpha particle (a helium nucleus, containing 2 protons and 2 neutrons) starts out with kinetic energy of 9.9 MeV (9.9x106 eV), What is the final kinetic energy of the gold nucleus
Two blocks M1 and M2 are connected by a mass-less string that passes over a mass-less pulley. find the acceleration of the two blocks
In a television set, the power needed to operate the picture tube comes from the secondary of a transformer. Determine the secondary voltage
question1car a is moving with a constant speed of 10ms and passes car b which is at rest. ten second later the latter
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