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A spring is hung from the ceiling. A 0.463 -kg block is then attached to the free end of the spring. When released from rest, the block drops 0.159 m before momentarily coming to rest, after which it moves back upward.
(a) What is the spring constant of the spring?
(b) Find the angular frequency of the block's vibrations.
A tennis player standing 10.2 m from the net hits the ball at 3.60° above the horizontal. To clear the net, the ball must rise at least 0.322 m. how fast was the ball moving when it left the racquet
Each of the four circuits in the drawing consists of a single resistor whose resistance is either R or 2R, and a single battery whose voltage is either V or 2V. determine the current delivered to each resistor
A sinusoidal traveling water wave has a wavelength of 25 cm and a frequency of 0.60 Hz. What is the phase speed of this wave
calculate the net percent value of these costs and benefits of an information system. Also calculate the overall return on investment of the project and then percent a break even analysis.
q1. water at a temperature of 85f exhibits which of these physical propertiesa. has no definite shapeb. has no definite
A helium atom (mass of helium atom = 6.646 x 10-27 kg), initially at rest, emits a photon of energy 40.8 eV. What is the speed of the Helium atom after releasing this photon
An archer shoots an arrow horizontally at a target 12 m away. The arrow is aimed directly at the center of the target, but it hits 56 cm lower. What was the initial speed of the arrow.
A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 62.4° above the horizontal. By how much does the rocket clear the top of the wall
A spaceship of mass 2.30×106kg is cruising at a speed of 6.00×106m/s when the antimatter reactor fails, blowing the ship into three pieces. What is the speed of the third piece
A physical pendulum is made by drilling a hole through a uniform wooden disk of radius R a distance (alpha)*R from the disk's center. What must alpha be to miniumze the disk's period of oscillation
The electric potential in a region is V=-Vo(r/R), Find expressions for the magnitude and direction of the electric field in this region
The following charges are located inside a submarine: 2.80 µC, ?9.00 µC, 27.0 µC, and ?76 µC. Calculate the net electric flux through the hull of the submarine
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