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A steel wire of length 1.92m with circular cross section must stretch no more than 0.210cm when a tensile (stretching) force of 380N is applied to each end of the wire. What minimum diameter is required for the wire? Take Youngs modulus for steel to be Y=2*10^11 Pa.
suppose the original experiment is done on the Moon, where g, the acceleration due to gravity, how will the graph compare to the original graph
It is said that Galileo discovered a basic principle of the pendulum - that period is independent of the amplitude - by using his pulse to time the period of swinging lamps in the cathedral as they swayed in the breeze. assume that one oscillation..
what is the available energy content, in joules, of a battery that opperates a 2.00 w electric clock for 18 months
A jogger on a circular track that has the radius of 0.150km runs a distance of 1.10km. What angular distance does the jogger covers in radians.
Two trains are moving in opposite directions on parallel tracks and are approaching a station. What is the speed of the other train if an observer at the station hears a beat frequency of 4.4Hz
Two sinusoidal waves, identical except for phase, travel in the same direction along a string, producing the net wave y(x,t)=(6.5 mm)sin(28.0x -4.0 s-1 * t+0.350 rad),with x in meters and t in seconds. what is the resultant amplitude of the two wa..
Capacitors C1 = 6.03 ?F and C2 = 2.45 ?F are charged as a parallel combination across a 298 V battery, Calculate the resulting charge on capacitor C1 and C2
A 0.600 kg hammer is moving horizontally at 8.00 m/s when it strikes a nail and comes to rest after driving it 1.00 cm into a board. What was the average force exerted on the nail
A circuit contains six 240 ohm lamps with 60 W bulbs and a 10 ohm heater connected in parallel. the voltage across the circuit is 120 V. If the circuit has a fuse rated at 12 A, would it melt if everything is on.
describe the change in flux through and the induced current in a loop of wire rotated in a uniform magnetic field
What current is in the primary circuit. A proton moves at a speed of 8.0 103 m/s as it passes through a magnetic field of 0.55 T. Find the radius of the circular path. Note down that the charge carried by the proton is equal to that of the electron..
(a) Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 12.0 g. Silver has 47 electrons per atom, and its molar mass is 107.87 g/mole. (b) Imagine adding electrons to the pin until the negative charge h..
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