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A transverse harmonic wave travels on a rope according to the following expression: y(x,t) = 0.14sin(2.7x + 17.5t) The mass density of the rope is ? = 0.147 kg/m. x and y are measured in meters and t in seconds. What is the average speed of the rope during one complete oscillation of the rope?
If the transformer is connected the wrong way around the circuit, what voltage is supplied to the doorbell
A supertanker (mass = 1.61E+8 kg) is moving with a constant velocity. Determine the magnitude of the resistive force exerted on the tanker by the water
A train with a maximum speed of 60 mph travels between two stations 10,000 ft apart. It has an acceleration rate of 4.00 ft/s2 and requires a distance of 1500 ft. to stop from 60 mph. Sketch (a) acceleration-time, (b) velocity-time, (c) displacement-..
Two violin strings are tuned to the same frequency, 294Hz, What will be the beat frequency heard when the two strings are played together
A 50 gram bullet is fired into a block of mass 4.0kg, initially at rest at the edge of a frictionless table of height 0.8m. find the speed of the system before it strikes the ground
Pick at least two sample cases and for each sample case include both a physical reason you'd expect fo to go up or down (think about how sound waves are squishing together or spreading apart) and a mathematical reason (like will picking a + in the..
A 600 turn solenoid, 25 cm long, has a diameter of 2.3 cm. A 10 turn coil is wound tightly around the center of the solenoid. If the current in the solenoid increases uniformly from 0 to 5.0 A in 0.55 s, what would be the induced emf magnitude in t..
How much time has elapsed between the two measurements.
Scientists want to place a 4200 kg satellite in orbit around Mars. What is the force of attraction between Mars and the satellite
A neon sign requires 10000 V for its operation. It operates from a 220 V receptacle. What must be the turns ratio Ns/Np of the transformer
An automobile has a total mass of 1700 kg. It accelerates from rest to 40 km/h in 10 s. Assume each wheel is a uniform 32 kg disk. find the total kinetic energy of each wheel
A model car is propelled by a cylinder of carbon dioxide gas. The cylinder emits gas at a rate of 4.5 grams/second with an exit speed of 80.0 m/s. what is the car's initial acceleration
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