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A passenger with mass 85 kg rides in a Ferris wheel. The seats travel in a circle of radius 35 m . The Ferris wheel rotates at constant speed and makes one complete revolution every 25 s . 1) Calculate the magnitude of the net force exerted on the passenger by the seat when she is one-quarter revolution past her lowest point. 2) Calculate the direction of the net force exerted on the passenger by the seat when she is one-quarter revolution past her lowest point.
In a photoelectric-effect experiment, the wavelength of light shining on an aluminum cathode is decreased from 249nm to 207nm. What is the change in the stopping potential
A 131 kg sign hangs between two buildings by two cables. Cable 1 is attached at a 36 degree angle wrt to the horizontal, and Cable 2 is attached at a 24 degree angle wrt to the horizontal. What is the tension in cable 1.
the cube of insulating material has the one corner at the origen . each side of the cube has length 0.250m so the top face of the cube is parallel to the xz-plane and is at y=.250m, calculated the net charge enclosed by the cube
q1. imagine a free electron and a free proton held midway between the plates of a charged equivalent plate capacitor.
A stunt man drives a car at a speed of 20 m/s off a 27-m-high cliff. The road leading to the cliff is inclined upward at an angle of 20?. How far from the base of the cliff does the car land
A 1967 Kennedy half-dollar has a mass of 1.150 x 10-2 kg. The coin is a mixture of silver and copper, and in water weighs 0.1012 N. Determine the mass of silver in the coin
A circular loop of conducting wire, with radius a and resistance R, is placed in a magnetic field. Find an expression for the induced current in the loop as a function of time
q1. a ball is dropped from rest at a height of 80 m above the ground.a. what is its speed as it hits the ground?b. how
The magnetic field in an electromagnetic wave has a peak value given by B = 5.5 µT. For this wave, determine the peak electric field strength
A high-voltage transmission line with a resistance of 0.335 ?/km carries a current of 1.45 kA, What fraction of the transmitted power does this loss represent
The tape is now wound back into the drum at angular rate. With what speed would the end of the tape move? (Note that our drawing specifies that a positive derivative of implies motion away from the drum. Be careful with your signs. The fact that the ..
You're driving down the highway late one night at 18 when a deer steps onto the road 36 in front of you. The reaction time before stepping on the brakes is 0.50, and the maximum deceleration of your car is 12.
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