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Released from rest at the same height, a thin spherical shell and solid sphere of the same mass m and radius R roll without slipping down an incline through the same vertical drop H. Each is moving horizontally as it leaves the ramp. The spherical shell hits the ground a horizontal distance L from the end of the ramp and the solid sphere hits the ground a distance L' from the end of the ramp. Find the ratio L'/L.
A firefighter with a weight of 702 N slides down a vertical pole with an acceleration of 2.90 m/s2, directed downward. What are the magnitudes and directions (choose the positive direction up) of the vertical forces
An automobile traveling at 11.0 along a straight, level road accelerates to 72.0 in 5.10. What is the magnitude of the auto's average acceleration
Two cylindrical rods are identical, except that one has a thermal conductivity k1 and the other has a thermal conductivity k2. As the drawing shows.
Two thin coils of radius 3 cm are 20 cm apart and concentric with a common axis, What is the magnitude of the magnetic dipole moment of one of the coils of wire
A 20.0micro F capacitor is charged by a 155.0-V power supply, then disconnected from the power and connected in series with a 0.280-mH inductor, Calculate the oscillation frequency of the circuit
Five moles of an ideal monatomic gas with an initial temperature of 128 C expand and, in the process, evaluate the final temperature of the gas
A dump truck designed to carry grain is shown. The dump bed is actuated by a hydraulic cylinder AB. If the combined weight of the dump bed plus its load is 800 lb, and the bed is at the position shown, determine the forces acting on the bed at B and ..
The Atwood machine in the figure consists of masses m1 = 1.20 kgand m2 = 1.05 kg and a solid pulley with a diameter of 6.1 cm and amass mp = 0.606- kg. When released from rest, what is the speed of the heavier mass after it has fallen a distance ..
In a certain particle accelerator, protons travel around a circular path of diameter D in an evacuated chamber, What is the mean free path of the gas molecules
The drawing shows two situations in which charges are placed onthe x and y axes. They areall located at the same distance of 6.6 cm from the origin O. Foreach of the situations in the drawing, determine the magnitude ofthe net electric field at the o..
Two balls of the same mass are accelerated by different net forces such that one ball gains a velocity twice that of the other ball in the process. Is the work done by the net force acting on the faster moving ball twice that done on the slower mo..
In a test laboratory, an electric engine is used to accelerate a wheel from rest. what is the average power output of the engine
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