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Problem:
A uniform magnetic field is going into the plane of the page. Two charge particles move in circles in the plane of the page. The two particles have the same magnitude of charge |q| and the same kinetic energy. Which of the following is true about the particles' charges and masses?
Everything starts at rest, and the spring is unstretched. The block slides down the plane, the cylinder rolls down the plane (without slipping), and the spring stretches. First, what is the speed of the block and cylinder after you have pulled the..
a 112-cm-long rod is rotating around its center. its mass is 291 g and its angular velocity is 30 rads. suddenly for no
Because of air resistance a constant torque exerted on the system to keep it spinning at that rate. Assuming that the air exerts a miniscule force on the stick (but a significant force on the ball), identify the force the air exerts on the ball.
a turbine that uses steam drives an electric generator. the inlet stream flows through a 10 cm diameter pipe to the
Hence, define in mathematical terms the velocity potential Φ, and show that potential lines of constant Φ are perpendicular to streamlines of constant streamfunction ψ. You may assume that the gradient of the tangent to a streamline is given by dy/dx..
a bracken fern spore produces an image that is 7.5 cm tall when placed before a converging lens of focal length 5.0 cm.
A toy rocket, of mass 60 g, achieves a velocity of 80 m/s after3.0 s when fired straight up. What average force does the rocketengine exert?
Block Ahas mass 1.00 kg, and block B has mass 3.00 kg. The blocks are forced together, compressing a spring S between them, What is the final speed of block A
The hard drive memory of desk-top computer used for word processing has a capacity of 4.0GByte (GB). (A byte is the amount of memory needed to store one alphabetic character.) A single page of double-spaced text requires about 6kB of memory and a ..
q1. what is your displacement after running 2.1 on strawberry fields 1.6 on penny lane and 4.1 on abbey road?q2. the
A heater runs on an AC voltage of 120 V and draws a power of 44 W. If this heater were run instead on a DC voltage of 90 V, how much current would flow through the heater
A 60 kilogram person is on a steadily rotating ferries wheel. Find what does the scale read when the person is at the bottom of the wheel
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