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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?
A 70.0kg archer, standing on frictionless ice, shoots a 200g arrow at a speed of 200m/s. What is the recoil speed of the archer
Transcranial magnetic stimulation (TMS) is a noninvasive technique used to stimulate regions of the human brain. In TMS, a small coil is placed on the scalp and a brief burst of current in the coil produces a rapidly changing magnetic field inside..
Water discharges from a horizontal pipe at the rate of 5.00 x 10-3 m3/s. At point A in the pipe where the cross-sectional area is 2.00 x 10-3 m2, What is the velocity of the water at point A
A 50.0-kg child stands at the rim of a merry-go-round of radius 2.10 m, rotating with an angular speed of 3.60 rad/s. What is the child's centripetal acceleration
determine the distance between the centers of the two plates.
A disk having mass M and radius R spins about an axis through its center and prependicular to the flat face of the disk at angular velocity. calculate the moment of inertia of the rod about one end
two long parallel wires each with a mass per unit length of 44 gm are supported in a horizontal plane by 6.0-cm-long
The third floor of a house is 10.00 m above street level. How much work is required to move a 170kg refrigerator to the third floor.
Helium-neon laser light of wavelength 1004.5 nm is sent through a 0.473 mm wide single slit. What is the width of the central maximum on a screen 1.58 m from the slit? Answer in units of mm
What is the rms current in an RC circuit if R= 5.20 K? , C= 1.50 uF, and the rms applied voltage is 120 V at 60.0 Hz
The air inside a bicycle tirenpumphas 202 joules of work done on it as 66.1 joules of heat is conducted away from it
A curve of radius 152 m is banked at an angle of 11°. An 722-kg car negotiates the curve at 86 km/h without skidding. avoid the effects of air drag and rolling friction.
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