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Suppose the current in a conductor decreases exponentially with time according to the equation I(t) = I0e-t/?, where I0 is the initial current (at t = 0), and ? is a constant having dimensions of time. Consider a fixed observation point within the conductor. (Use the following as necessary: I0 and ?)(a) How much charge passes this point between t = 0 and t = ?? (If applicable, round any coefficients to 3 decimal places.)Q(?) =.............(b) How much charge passes this point between t = 0 and t = 10?? (If applicable, round any coefficients to 5 decimal places.)Q(10?) =...........(c) How much charge passes this point between t = 0 and t = ? (If applicable, round any coefficients to 3 decimal places.)Q() =............
A 74 kg diver steps off a 14 m tower and drops from rest straight down into the water. If he comes to rest 4.4 m beneath the surface, identify the average resistance force exerted on him by the water.
A proton (mass 1.67 x 10^27kg) is moving at 1.55 x 10^6m/s directly toward a stationary helium nucleus (mass 6.64 x 10^27kg). what is the helium's velocity
A merry-go-round rotates at 5 rpm and is shaped like a disc with a radius of 3 m and a mass of 100kg. what will be the new rotational speed
A horse drags a 100 kg sled a distance of 4 km in 20 minutes. What is the coefficient of sliding friction between the sled and the ground
Three children each of weight 356N make a long raft by lashing together logs of diameter 0.30m and length 1.8m. how many logs will be needed to keep them afloat in fresh water. take density of the logs to be 800kg/m^3.
The earth spins on its axis once a day and orbits the sun once a year (365.24 days). Determine its angular velocity as it revolves around the sun
A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. What is the moment of inertia of the wheel
A guitar string is 108 cm long and has a mass of 3.4 g. From the bridge to the support post (L) is 70 cm, What is the frequency of the first overtone
In a pool game, the cue ball, which has an initial speed of 3.0 m/s, make an elastic collision with the eight ball, which is initially at rest. Find the direction of motion of the cue ball after the collision
A near-sighted person's eyeglasses has a focal length of ? 22.0 cm, and the lens is 1.8 cm from the eye. what should be the focal length of the corresponding contact lens
A fishing line has attached to it a hollow plastic float 2.15 cm in diameter and having a mass of 1.90 g. Find the mass of a lead weight
A series circuit contains only a resistor and an inductor. The voltage V of the generator is fixed. If R = 14 ? and L = 3.6 mH, find the frequency at which the current is one-half
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