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A carnival clown rides a motorcycle down a ramp and around a vertical loop. If the loop has a radius of 18m, what is the slowest speed the rider can have at the top a the loop to avoid falling?
A hypodermic syringe contains a medicinewith the density of water. The barrel of the syringe has across-sectional area of 2.50x10^-5 m^2. Determine the medicine flow speed through the needle
an electron is accelerated from rest through a potential difference 1200 v. give the electrons kinetic energy after
In the electron gun pictured, a potential differenceof 10.9 kV is found to bringelectrons from rest at the cathode to 6.2 x 107 m/sat the anode. If the electrons reach the anode with a speedof 2.9 x 107 m/s,what is the potential difference between th..
The system pictured below consists of two blocks of mass m connected via springs to two walls. The springs all have spring constant k. Write the equations of motion for this system. Use as your variables the displacement of each block from its res..
a 1.60103 kg car rounds a circular turn of radius 22.0 m. if the road is flat and the coefficient of static friction
a modern house is wired for 115 V, and the current is limited by circuit breakers to a maximum of 135 A. find the maximum electrical power the house can consume
At a factory, a noon whistle is sounding with a frequency of 497 Hz. As a car traveling at 84km/h approaches the factory, driver hears the whistle at frequency fi. After driving past the factory, the driver hears frequency ff. What is the change i..
There is force of F = 2.5N i + 3.5N j at r = 1.0m j - 4.0m k. What is the angle between the force vector and the radius vector
two objects one with mass will 80 g and the other with mass 20 g are pushed by a spring in opposite directions. if the
An enlarging camera has a maximum extension of 4 ft between the negtive and the paper. what is the maximum enlargement that can be made with this equipment
1. a static magnetic field does no work on a charge moving parallel to the field.2. the direction of the magnetic field
An electromagnetic wave in a vacuum has a maximum magnetic field amplitude of 5.67×10?7 T. find the maximum electric field amplitude of the wave
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