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A river flows due East at constant velocity 3 m/s. A boat crosses the 300 m wide river by maintaining a constant velocity of 10 m/s relative to the water.
(a) If the boat heads due North, how far downstream has it moved by the time it reaches the far shore?
(b) In which direction should the boat be headed if it is to reach the far shore without being dragged downstream?
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A solid sphere and a solid cylinder of the same mass and radius roll without slipping at the same speed. It is correct to say that the total kinetic energy of the solid sphere is
An airplane flies between two points on the ground that are 500 km apart. The destination is directly north of the origination of the flight. The plane flies with an air speed of 120 m/s.
A block of mass M is at rest on a horizontal frictionless table. It is attached to a rigid support by a spring of constant k. Determine the velocity of the block immediately after the collision, in terms of the given symbols
A solenoid 10.0 cm in diameter and 64.2 cm long is made from copper wire of diameter 0.100 cm, with very thin insulation. What power must be delivered to the solenoid
an electron with speed vo 2.61times107ms is traveling parallel to an electric field of magnitude e 1.03 times 104 nc .
A conductor of radius 10cm, length 5m and resistivity of 2.82 x 10-8 Ωm. What is the new resistance
an airplane has a velocity relative to the air of 200 ms in a westerly direction. if the wind has a speed relative to
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The maximum wavelength for which an electromagnetic wave can ejectelectrons from a platinum surface is 196 nm. what is the maximum speed of the ejected electrons
q1. if one end of a heavy rope is attached to a light rope and wave is sent down the heavy rope. what would happen to
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