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The homogeneous 18-kg pulley is attached to the bar ABC with a pin at B. The mass of the bar is negligible. The cable running over the pulley carries a tension of 600 N. Determine the magnitudes of the support reactions at A and C.
A spinning flywheel has rotational inertia I = 403.9 kg · m2. What is the frictional torque acting
performing an experiment similar to millikans oil drop experiment a student measures these charge magnitudes.3.26
The length of a spaceship is 87 meter when it is at rest. If the spaceship travels by you with a speed of 0.72c, determine what length does it appear to you
A gas is contained in a closed cylinder with a mobile piston at oneof its ends. For the following conditions indicate: (1) if dW= -pdV or not, and (2) if the process is reversible, quasistatic,or irreversible. Explain in each case why is one or an..
A 0.20-kg baseball is dropped and reaches a speed of 1.0 m/s just before it hits the ground. What is the change in the ball's momentum
capacitors c115uf and c223uf are each charged to 10v then disconnected from the battery without changing the charge on
a 0.5 kg dart is fired vertically from a spring gun that has spring constant of 4000 nm prior to release the spring was
Two Particles A and B are moving towards each other. Particle A has mass of 50.0kg moving from the left side at 9m/s. Particle B has mass of 70.0 kg moving at 7m/s from the right. Inelastic collision takes place. Explain their motion quantitative aft..
Determine the potential 2.0mm from the negative plate of a pair of parallel plates separated by 14.0mm and connected to a 24-V battery
a building is being knocked down with a wrecking ball which is a big metal sphere that swings on a 13-m-long cable. you
A 12.7??C particle with a mass of 2.90×10?5kg moves perpendicular to a 1.01T magnetic field in a circular path of radius 23.0m, How fast is the particle moving
The United States uses 1.12×1019J of electrical energy per year. How many kilograms of uranium would have to be mined per year to provide that much 235U
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