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A ball of mass m is released from height h1. It slides along the smooth surface and collides elastically with the second ball at rest of mass 1/2m at the bottom of the track. How high will the balls rise after the collision?
An ice cube sliding along the ground at 5 m/s goes off a ramp pointed straight up as shown, What is the speed of the ice cube when it comes down, just before it hits the ground
q1. blood is capable of carry excess energy from the interior to the surface of the body where the energy is dispersed
find the work done to move the particle from x = 0 to x = 10.0 m by graphically determining the area under the F versus x graph. (Do this on paper. Your instructor may ask you to turn in this graph.)
Infrared light of wavelength 1.17 um illuminates a 0.34-mm-diameter hole. What is the angle of the first dark fringe in degrees
A glass flask whose volume is 1000.33 at 0 is completely filled with mercury at this temperature. Compute the coefficient of volume expansion of the glass
A 19.00kg lead sphere is hanging from a hook by a thin wire 3.40m long, and is free to swing in a complete circle. What must be the minimum initial speed of the dart
q1. a 2.30-kg object attached to a spring moves without friction b 0 and is driven by an external force given by the
Rotates a 1.00 kg discus along a circular path of radius 1.04 m. The maximum speed of the discus is 17.0 m/s. Find out the magnitude of the maximum radial acceleration of the discus.
Two ice skaters are gliding together along the ice, both moving at a constant velocity (sliding without exerting a force). What is the initial speed of the skaters
A Carnot engine takes in heat from a reservoir at 470°C and releases heat to the lower-temperature reservoir at 200°C. What is its efficiency.
A hollow metal sphere has inner radius a, outer radius b, and conductivity sigma. Evaluate the electric field strength at the inner surface of a copper sphere if 0.70cm and 28A
A photographer uses his camera, whose lens has a 60mm focal length, to focus on an object 2.5m away. How far must the lens move to focus on this second object
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