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Question: A fisherman has caught a very large, 5.0kg fish from a dock that is 2.0m above the water. He is using light weight fishing line that will break under a tension of 54N or more. He is eager to the fish to the dock in the shortest time possible.
Part A: If the fish is at rest at the water's surface, what is the least amount of time in which the fisherman can raise the fish to the dock without losing it?
I need help to find the least amount of time in which the fisherman can raise the fish to the dock without losing it.
A string is wrapped around the disk of mass m = 1.8 kg and radius R = 0.11 m. Starting from rest, you pull the string with a constant force F = 8 N along the nearly frictionless surface. At an instant when the center of the disk has moved a distan..
The velocity of a particle moving along the x axis varies in time according to the expression v(t)= a+bt^2 where a=60 m/s, b=5.31 m/s^3, and t is in seconds. Discover the average acceleration in the time interval from t=0 to 3.37 seconds.
At a distance of 25m from an isotropic 100 MHz radio source the intensity is 120W/m2. What is the rms electric field at 25m? What is the total power transmitted by the source?
A flight controller determines that an airplane is 37.0 mi south of him. Half an hour later, the same plane is 33.0 mi northwest of him. Evaluate the magnitude of its velocity during this time
An object through a rectangular
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a uniformly charged disk radius r and surface charge density 1.70 microcm2 lies in the xy plane with its center at the
Reduce the expression for the time rate of change of the expectation value of the y component of orbital angular momentum , d /dt to the simplest possible form
A 140 g, 90.0 mph fastball comes across the plate very nearly horizontally and is batted at 90.0 mph at a 30.0 degree angle (above the horizontal) toward center field. Determine the impulse (in N's) acting on the ball
An electron is observed traveling at a speed of 2.38 107 m/s parallel to an electric field of magnitude 11,460 N/C. How far will the electron travel before coming to a stop
Physicists define the center of mass of two objects (#1 and #2) with masses m1 and m2 at locations x1 and x2 to be xCoM = m1x1 + m2x2 m1 + m2 The velocity of the center of mass is the derivitive with respect to time of the xCoM. Take the derivativ..
The loaded cab of an elevator has a mass of 3000kg and moves 216-m up the shaft in 23s at constant speed. At what average rate does the force from the cable do work on cab.
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