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A group of students perform the same "Conservation of Mechanical Energy" experiment that you performed in lab by allowing a solid sphere and then a solid cylinder to roll down the ramp. Both objects were released from the same position at the top of the ramp. If the speed vsphere of the solid sphere at the bottom of the ramp was 1.45 m/s, what would be the speed vcylinder at the bottom of the ramp?
Consider a series RC circuit as in the figure below for which R = 2.20Ω, C = 1.50 μF, and = 31.5 V. Find the time constant of the circuit. Find the maximum charge on the capacitor after the switch is thrown closed.
a 9.05 kg monkey is hanging by one arm from a branch and swinging on a vertical circle. as an approximation assume that
An intergalactic rock star bangs his drum every 1.10 s. A person on earth measures that the time between beats is 2.10 s
a rectangular loop of wire that is 55 cm wide and 20 cm long is placed in a region where the magnetic field is b 0.4
a car with a mass of 1060 kg starts from rest and accelerates toa speed of 10.7 m/s in 15.8 seconds, what is the average power developed by the car's engine
How far will it coast before starting to roll back down. In addition, snow exerts a retarding force on the sled that points opposite to the direction of motion, and has a magnitude of 57 N. Find the acceleration of the sled and child.
An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.60 mm. An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.60 mm.
A diver makes 2.0 revolutions on the way from a 9.8-m-high platform to the water. Assuming zero initial vertical velocity, find the diver's average angular velocity during a dive
a spherical shell of inner radius 2.0 cm and outer radius 6.0 cm is charged to 9 nc a point charge of -6 nc is placed
A helicopter rises vertically with a constant upward acceleration of 0.38 m/s^2 . As it passes an altitude of 20m , a wrench slips out the door. How soon does the wrench hit the ground? At what speed does the wrench hit the ground?
A small sphere with mass 2.60g hangs by a thread between two large parallel vertical plates 5.00cm apart. The plates are insulating and have uniform surface charge densities and . The charge on the sphere is = 8.70×10?6C . What potential differenc..
A 470-g firework is traveling straight up at 13 m/s when it explodes into two pieces. Find the speed and direction of the other piece directly after the explosion
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