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After falling from rest from a height of 33 m, a 0.47-kg ball rebounds upward, reaching a height of 23 m. If the contact between ball and ground lasted 2.3 ms, what average force was exerted on the ball?
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If the ball is free from rest at a height of 0.67 above the bottom of the track on the no-slip side, what is its angular speed when it is on the frictionless side of the track? Suppose the ball is a solid sphere of radius 2.2 and mass 0.14.
Three moles of an ideal monatomic gas expands at a constant pressure of 2.60 atm, Calculate the amount of heat added to the gas
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.19 x 104 m/s, What is the orbital speed of the second satellite
An air bubble ascends from the bottom of a lake 15 m deep. The temperature at the bottom of the lake is 4oC, what would be the volume of the bubble at the top of the lake?
The attractive electrostatic force between the point charges 7.14×10?6 and has a magnitude of 0.825, find the sign and magnitude of the charge Q
A dentist's drill starts from rest. After2.90s of constant angular acceleration it turns at a rate of2.2104rev/min. Find the drill's angular acceleration
The magnetic field component of the electromagnetic wave is 15.0 ?T. What is the magnetic energy density of the wave
What is the magnitude of the force on the bead. find the charge of the particle.
On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. The acceleration free-fall on the moon is 1/6 of its value on earth
A flight attendant pulls her 75 N flight bag a distance of 305 m along a level airport floor at a constant velocity. Find the work done by the force of friction on the flight bag
If a pipe wrench of length 18 cm is positioned vertically on pipe, with the handle pointing up, and a force of 150 N, what is the torque on the pipe
Consider a transcranial magnetic stimulation (TMS) device containing a coil with several turns of wire, each of radius 3.40 cm. What electric field is induced on the circumference of this circular area
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