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A block (m = 3 kg) is sitting on a horizontal frictionless table. A spring (k = 500 N/m) is mounted at the side of this block so that when the block is used to compress the spring, the spring pushes back horizontally. If the block is used to compress the spring by 10 cm, with what velocity does it slide across the table?
An electron moves at a speed of 480m/s perpendicular to the direction of the uniform magnetic field of 1 T. What is the radius of the electron's circular orbit in units of nanometers (1 m = 109 nm)
A small conductive rod of length 1.4 m moves with a constant velocity v=11 m/s in a direction parallel to a long wire carrying a current of 34 A. Calculate the electric potential induced across the rod
A muon is formed high in the Earth's atmosphere and travels at a speed 0.9 c with respect to the Earth. What is the value of the Lorentz gamma factor associated with the muon's motion
A suitcase full of gold sits at the bottom of a lake. A recovery diver finds that as he lifts the suitcase to the surface, What is the volume of the large suitcase
You are standing 5 m from a tractor when the operator starts it ip the intensity is 3 x10^-5 W/m^2. How much did the sound level change
When a beam of white light is incident (vertically) on a thin oil slick (n = 1.25) floating on water, What is the thickness of the oil slick
A uniform plank of length 4.50 m and weight 275 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support. To what distance x can a person who weighs 456 N walk on the overhanging part of the plank before it just be..
Jordan is building a compound microscope using an eyepiece with a focal length of 7.50 cm and an objective with a focal length of 1.500 cm. How far apart should Jordan place the lenses
Discuss the postulates and implications of Albert Einstein's Special Theory of Relativity on the way that scientific data is collected and analyzed
A basketball leaves a player's hands at a height of 2.20m above the floor. what is the range of initial speeds allowed to make the basket
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. calculate How fast are the waves traveling
Jason is practicing his tennis stroke by hitting balls against a wall. The ball leaves his racquet at a height of 60 cm above the ground at an angle of 80' with respect to the vertical. Is ball on its way-up or down when the ball strikes the wall?
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