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A 4.60 kilogram ball, moving to the right (positive direction) at a velocity of +1.60 m/s on a frictionless table, collides head-on with a stationary 7.80 kilogram ball. Determine the final velocity of the 4.6 kg ball if the collision is elastic?
a horizontal rod 0.200 m long carries a current through a uniform horizontal magnetic field of magnitude 0.067 t that
An astronaut in his space suit and with a propulsion unit (empty of its gas propellant) strapped to his back has a mass of 158 kilogram. Find what percentage of the gas propellant in the totally filled propulsion unit was depleted
A note of frequency 700 Hz. has an intensity of 5.0E-06 W/m^2. What is the amplitude (in meters) of the air vibrations caused by this sound
A solenoid 10.0 cm in diameter and 77.4 cm long is made from copper wire of diameter 0.100 cm, with very thin insulation. What power must be delivered to the solenoid
A 2.54 kg particle moving along the x-axis experiences the force shown, where Fmax=6.85 N, Fmin=-6.85 N, d1=1.27 m, d2=2.54 m, d3=3.81 m, and d4=5.08 m. At x=0.00 m the particle's velocity is 3.93 m/s. What is its velocity at x=2.54 m?
A swimmer heads directly across a river, swimming at 1.60 m/s relative to the water. She arrives at a point 58.0 m downstream from the point directly across river, 63 m wide. What is the speed of the river current.
A bowling ball rolls from rest down a straight 20m steel ramp and reaches a velocity of 20 m/s at the end of the ramp in 8 seconds. What is the bowling ball's original velocity
An x-ray tube accelerates electrons from rest at 5.0×10 14th m/s(squared) power through a distance of 20cm. Find the acceleration time
A ball is thrown upward from the ground with an initial speed of 23.90 m/s; at = same instant, a ball is dropped from a building 16 m high. After how long will the balls be at the same height.
Hoover Dam on the Colorado River is the highest dam in the United States at 221 m, with an output of 1300 MW. Calculate the power in this flow
An air-track glider is attached to a spring. The glider is pulled to the right and released from rest at t =0s . It then oscillates with a period of 1.50 sand a maximum speed of 36.0 cm/s. What is the amplitude of the oscillation? What is the glider'..
define why a dielectric increases the maximum operating voltage of a capacitator even though the physical size of the capacitator doesn't change.
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