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Doug is driving a golf ball off the tee. His downswing takes 0.50 s from the top of the swing until ball impact. At the top of the swing, the club's angular velocity is zero; at the instant of ball impact, the club's angular velocity is 30 rad/s. The swing moment of inertia of the club about the grip is 0.220 kg x m^2. What average torque does Doug exert on the golf club during the downswing?
A runaway, 400-kg wagon enters a cornfield with a velocity of 12 m/s and eventually comes to rest. What work was done on the wagon in kJ
a 0.75-kg mass moving with a speed of 5.0 ms encounters a 0.25-kg mass moving in the opposite direction with speed 5.0
A young woman on a skateboard is pulled by a rope attached to a bicycle. The velocity of the skateboarder is v = (4.6m/s )x, find the work the rope does on the bicycle
A rotating door is made from four rectangular glass panes, as shown in the figure. The mass of every pane is 66.0 kg. A person pushes on the outer edge of one pane with a force of F =71.4 N that is directed perpendicular to the pane. Decide the magni..
On a banked race track, the smallest circular path on which cars can move has a radius of 119 m, while the largest has a radiusof 173 m, as the drawing illustrates. The height of the outer wallis 10.8 m. Find (a) the smallest and(b) the largest speed..
Light of wavelength 400 nm (in vacuum) is incident on a diffraction grating that has a slit separation of 1.2 x10-5 m. The distance among the grating and the viewing screen is 0.10 m. A diffraction pattern is produced on the screen that consists of a..
A 17g particle is moving to the left at 24m/s. How much net work must be done on the particle to cause it to move to the right at 40 m/s.
A 0.2 m^3 rigid tank initially contains refrigerant 134a at 1 MPa, saturated vapor. The tank is connected to a supply line that contains refrigerant 134a at 1.2 MPa, 30 degrees C. Refrigerant is allowed to enter the tank until the tank contains sa..
A 3.50e-6 F capacitor accumulates 51 ?C of charge when connected to a battery. What is the battery's voltage
An atomic nucleus at rest decays radioactively into an alpha particle and a smaller nucleus. What will be the speed of this recoiling nucleus
The electric potential at the center of a square is 3 V when a charge of +Q is located at one of the square's corners. What is the electric potential at the square's center when identical charges of -Q are placed at the other three corners of the ..
Find the total number of lines in a 3.0cm -wide diffraction grating whose third-order spectrum has the 660nm hydrogen theta spectral line at an angular position of 41degree celcius.
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