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A helicopter propeller blade starts from rest and experiencesa constant angular acceleration of 24.0 rad/s2. What is the speed of apoint on the blade 5.45 m fromthe axis of rotation when the blade has completed 18 revolutions?
A +6.00-µC charge is moving with a speed of 7.00 104 m/s parallel to a very long, straight wire. The wire is 5.00 cm from the charge and carries a current of 62.5 A in a direction opposite to that of the moving charge. Find the magnitude and directio..
A missile of mass 1.10 102 kg is fired from a plane of mass 5.10 103 kg initially moving at a speed of 3.50 102 m/s. determine is the final velocity of the plane
An ultralight plane and pilot have a total mass of 156 kg. what is the net force acting on the plane and pilot
How much would a 80.0 kg person weight on Mars, where the acceleration of gravity is 3.93 m/s^2, and on Earths Moon, where the acceleration of gravity is 1.63 m/s^2.
Two 8.00mm x 8.00mm electrodes with a 0.10-mm-thick sheet of Mylar between them are attached to a 8.0V battery. Without disconnecting the battery, the Mylar is withdrawn. (Very small spacers keep the electrode separation unchanged.) Dielectric consta..
Consider a container with a partition in the middle. The container is thermally isolated from the environment. Initially one half of the container is filled with gas A (N molecules) and the other half with gas B (also N molecules).
A mass is attached to a spring. It oscillates at a frequency of 4/? Hz when displaced a distance of 7.00 cm from equilibrium
A 1945-W electric hair dryer is designed to work in the United States, where the ac voltage is 120 V rms. What power is dissipated in the hair dryer
A 2.35kg ball moving at 4.20 m/s to the right hits a 3.45kg ball head on that is travelling at 3.50 m/s to the left. What is the velocity of the first ball after the perfectly elastic collision
A glass rod that has been charged to + 17.0nC touches a metal sphere. Afterward, the rod's charge is + 9.0nC
q1. a highway curve with a radius of 555 m is banked properly for the car travelling 150 kmh. if a 1650 kg porshe 928 s
A 1.7 kg rolling hoop with a radius of 9 cm rolls without slipping. If the angular speed of the hoop is 2.46 rad/s , compute rotational kinetic energy of the rolling hoop
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