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If you shake one end of a taut rope steadily five times each second, what would be the period of the sinusoidal wave set up in the rope?
During the collision with the ground, he comes to rest in a time of .101 s. The average force exerted on him by the ground is +18000 N, where the upward direction is taken to be the positive direction. Elucidate from what height did the student f..
There is a straight plastic rod that is parallel to the y axis with length L and total charge Q.Point P is placed on the x axis half way down the rod
A +30mc charge is placed on a metallic sphere of 1.0cm radius. The sphere is surrounded by a spherical thick metallic shell, calculate the electric potential of each of the two conductors
A river flows due east at 1.50 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 15 m/s due north relative to water.
The loaded car of a roller coaster has mass M = 320 kg. It goes over the highest hill with a speed v of 21.4 m/s. What is the force (N) that the track must exert on the car
Charge is placed on two conducting spheres that are very far apart and connected by a long thin wire. Find the surface charge density on each sphere
A 50.0 g copper calorimeter contains 260 g of water at 22.0°C. How much steam ought to be condensed into the water if the final temperature of system is to reach 42.0°C.
A boy on board a cruise ship drops a 30.0 g marble into the ocean. If the resistive force proportionality constant is 0.500 kg/s, what is the terminal speed of the marble in m/s?
A person is losing thermal energy through the skin at a rate of 120 W when his skin temperature is 30°C. find At what rate is he now losing thermal energy
Find out the intensity if the frequency is increased to 2.90 kHz while constant displacement amplitude is maintained.
A charged object has a potential of 40 V at a distance of 3 m. If the distance is increased to 42 m, then what will be the new potential
What is the current in amperes in a wire of radius. The parallel plates in a capacitor, with a plate area of 8.70 cm2 and an air-filled separation of 3.30 mm, are charged by a 8.90 V battery.
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