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A 6 kg bowling ball with a radius of 12 cm rolls in a straight line past you at a speed of 3 m/s. At its point of closest approach, it is 3 m away from you. Say that we define our coordinate system centered on you so that the ball rolls parallel to the + y direction and the z direction is vertically upward. What are the components of the ball's total angular momentum about your position?
Your car's fan belt turns a pulley at 3.15rev/s . When you step on the gas for 1.55s , the rate increases steadily to 6.00rev/s, What's the pulley's angular acceleration
The secondary voltage of an ignition transformer in a furnace is 14.5 kV. When the primary operates at an rms voltage of 100 V, What is the impedance in the secondary
A 20.0kg light signal hangs from the end of a 7.0m uniform density pole of mass 12.0kg. The pole is free to swivel from the hinge at point A, What is the reaction force (magnitude and direction) at the hinge
The best leaper in the animal kingdom is the puma, With what speed must the animal leave the ground to reach that height
an electric field as shown in the figure. an electric field of 1000. v/m is directed toward the right. The ball has a mass of 2.00x10^-3 kg, what is the net charge on the ball
A force of 45 N acts on a ball for 0.2 sec If the ball is initially at rest, What is the final momentum of the ball
The step-down transformer in a local neighborhood reduces the voltage from a 7,200 V line to 120 V. If there are 125 loops on the secondary, how many are on the primary coil
An outfielder makes a throw directly to home plate which is 94.2m away, Determine where the ball lands relative to home plate
A uniform electric field of magnitude 395 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. The electron has moved 3.00 cm. (a) What is the work done by the field on the electron? J (b) What is the change in..
Light travels at about 0.75c in water. What's the wavelength in water of light whose wavelength in vacuum is 664nm
A gymnast on a high bar swings through three revolutions in a time of 2.90 s. The magnitude of the average angular velocity of the gymnast, in rad/s, is
What is the average linear speed of Jupiter about the Sun, (The distance from the Sun to Jupiter is 7.78 1011 meters. The orbital period around the Sun is 4332.7 days.)
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