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A bowling ball with a diameter of 21.0cm is rolling down a level alley surface at 11.4m/s without slipping. Assume the ball is uniform and made of plastic with a density of 800Kg/m³.
A: What is the angular speed of the ball?
B: Calculate the speed (relative to the alley surface) of a point on top of the ball directly above the contact point on the floor.
C: What is the ball's linear kinetic energy?
D: If it now starts to roll up a 30 degree incline, how far up the incline will it travel before it stops?
The three capacitors C= 2.0E-6F in series are connected across a 30V battery. Find the potential difference across each
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Two small plastic balls hang from threads of negligible mass. Each ball has a mass of 0.19 g and a charge of magnitude q. The balls are attracted to each other, and the threads attached to the balls make an angle of 20.0° with the vertical, as sho..
Find the acceleration of the aircraft and express it in multiples of g, free fall acceleration.
A bag of blood with a density of 1050 kg/m^3 is raised about 1.00m higher than the level of a patient's arm. How much greater is blood pressure at the patient's arm than it would be if the bag were at the same height as the arm.
A Baseball player rounds third base and is heading for home when he is signalled by the base coach to slide. find the coefficient of kinetic friction between him and the ground
The flywheel of a motor has a mass of 300 kg and a moment of inertia of 580 kg*m^2 The motor develops a constant torque of 2000 N*m and the flywheel starts from rest. How much work is done by the motor during the first 4.00 revolutions
Two point charges are fixed on the y axis: a negative point charge q1 = -28 µC at y1 = +0.23 m and a positive point charge q2 at y2 = +0.31 m. A third point charge q = +8.7 µC is fixed at the origin. The net electrostatic force exerted on the char..
A cosmic-ray proton in interstellar space has an energy of 17.0 MeV and executes a circular orbit having a radius equal to that of Earth's orbit around the Sun, What is the magnetic field in that region of space
A proton accelerates from rest in a uniform electric field of 628 N/C. At some later time, its speed is 1.10106 m/s. What is its kinetic energy at the later time
A mass-spring system with a natural frequency of 4.4 Hz is started in motion with an initial displacement from equilibrium of 5.7 cm, What is the amplitude of the resulting motion
A car of mass 2000kg is lifted up a a distance of 30m by a crane in 1 min. A second crane does the same job in 2 min. Do the crane consume the same or diffrent amounts of fuels
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