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During a ride on the gravitron, a person finds herself stuck against the wall as she spins around with a frequency of 26.00 rpm (revolutions per minute). The centripetal acceleration she experiences has a magnitude of 3.40 g's. If her mass is 66.00 kg, what is the minimum value of the coefficient of static friction between her and the wall in order for her not to slip downwards?
What is the diameter of the gravitron ride in the above problem?
A 1.50 V battery supplies 0.350 W of power to a small flashlight for 20.0 min. How much charge does it move
A slide projector needs to create a 86 cm high image of a 2.0 cm tall slide, What focal length does the lens need and How far should you place the lens from the slide
Suppose that a particle accelerator is used to move two beams of particles in opposite directions, what is the magnitude of the average current in this region
Find out the difference in potential between the birds feet.
At some instant and location the electric field associated with an electromagnetic wave in vacuum has the strength 86.9 V/m. Find the magnetic field strength
find the mass of Earth from the period T and the radius r of the Moon's orbit about the Earth. T=27.3 days and r=3.82E5 km. suppose the Moon orbits the center of Earth rather than the center of mass of the Earth-Moon system.
Each tire of an automobile has an area of 0.026m^2 in contact with the ground. The weight of the automobile is 2.6x10^4 N. What is the pressure in the tires.
A 990 g block oscillates on the end of a spring whose force constant is k = 66 N/m. What is the fractional decrease in amplitude per cycle
Suppose that after a centrifuge in a medical laboratory is turned off, it continues to rotate with a constant angular deceleration for 10.40 s before coming to rest. How numerous revolutions did the centrifuge complete after being turned off.
A charge of 140 µC is at the center of a cube of edge 60.0 cm. No other charges are nearby. (a) Find the total flux through each face of the cube. (b) Find the flux through the whole surface of the cube. N·m2/C (c) Would your answers to parts (a) ..
An X-ray photon with a wavelength of 0.250nm nm scatters from a free electron at rest. Find the initial momentum of the photon
A hockey stick is swung with the average angular acceleration of 1.5 rad/s2. What is the angular velocity of the stick as it strikes the ball at the end of 0.8 second swing.
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