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A meter stick is held vertically with one end on the floor and is then allowed to fall. Find the speed of the other end when it hits the floor, assuming that the end on the floor does not slip. (Hint: Consider the stick to be a thin rod and use the conservation of energy principle.) (in m/s)
a golfer hits a shot to a green that is elevated 2.70 m above the point where the ball is struck. the ball leaves the
A rock is thrown vertically upward with a speed of 15.0m/s from the roof of a building that is 70.0m above the ground. What is the speed of the rock just before it strikes the ground
An electron between two charged horizontal parallel platesexperiences a force of (8.68 *10^-15N, -y). What isE between the plates? If the plates are 8.75 cm long and are2.25 cm apart, what is the potential difference across the plates?
A mass is oscillating on a spring with a period of 4.60 s. At t=0 s the mass has zero speed and is at x=8.30cm. What is the value of t the first time after t=0s that the mass is at x=4.15?
a small current element at the origin has a length of 3.8 mm and carries a current of 3.7 a in the z direction. find
A 55.0 kg man is ice-skating due north with a velocity of 5.90 m/s when he collides with a 36.0 kg child. What was the velocity of the child just before the collision
A jet aicraft is traveling at 22m/s in horizontal flight.The engine takes in air at a rate of 72.0 kg/s and burns fuel at a rate of 2.70 kg/s. Find the thrust of the jet engine
Estimate the radiation pressure due to a 100 W bulb at a distance of 8.0 cm from the center of the bulb
A metal rod is forced to move with constant velocityv along two parallel metal rails, If the rod hasa resistance of 18.0 Ω and the rails and connector havenegligible resistance, what is the current in the rod
A conducting rod with a length of 25 cm is placed on a U-shaped metal wire that has a resistanceRof 8.0 ? as shown in the figure. The wire and the rod are placed in the plane of the paper.
A 190 rad dose of radiation is administered to a patient in an effort to combat a cancerous growth. Calculate the amount of energy delivered per unit mass
Consider three points A,B,C on the x-y plane, where a uniform electric field E = 100(N / C)i exists, Find the potential difference VB -VA and VC-VA
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