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Tarzan, who weighs 820 N, swings from a cliff at the end of a 15.6 m vine that hangs from a high tree limb and initially makes an angle of 22.6° with the vertical. Assume that an x axis points horizontally away from the cliff edge and a y axis extends upward. Immediately after Tarzan steps off the cliff, the tension in the vine is 757 N. Just then,
(a) what are the force from the vine on Tarzan in unit-vector notation, and
(b) the net force acting on Tarzan in unit-vector notation?
(c) What are the magnitude and (d) the direction (measured counterclockwise from the positive x-axis) of the net force acting on Tarzan?
(e) What are the magnitude and
(f) the direction of Tarzan's acceleration?
Two capacitors C1 = 3.8 ?F, C2 = 17.8 ?F are charged individually to V1 = 14.4 V, V2 = 4.3 V. Calculate the final potential difference across the plates of the capacitors once they are connected
in a Tom's double-slit experiment using 549nm light, a thin piece of plexiglass of refractive index 1.53 covers one of the slits. what is the minimum thickness of the plexiglass
Assuming that he starts from rest when the rope is horizontal, find out the tensions in the rope that are required to make him follow his circular path at each of the following points.
the concept of thermionic emission is the basis of modern x-ray tubes which are the workhorse of a medical x-ray image.
A professor drives off with his car (mass 900 kg), but forgot to take his coffee mug (mass 0.33 kg) off the roof. What is the maximum acceleration of the car
A box slides down a 25° ramp with an acceleration of 1.070m/s2. Resolve the coefficient of kinetic friction between box and ramp.
There are four coils of wire being used as electromagnets. They all have the equal size and are made up of the same material but have a different number of loops.
The jet accelerates uniformly, and during that time, the pendulum oscillates about the equilibrium position shown by the solid line, with D = 0.370 m. find the magnitude of the plane's acceleration.
A uniform electric field of 2000 N/C is in a direction 600 from the x-axis. A charge of -1.20 mC starts from the origin O, calculate the potential at B and at the origin
A uniform disk of radius 0.495 m and unknown mass is constrained to rotate about a perpendicular axis through its center. Find the mass of the disk
A spacecraft flies towards the Earth at a speed of 0.8c and shines a laser at an observer on Earth. At what speed would the laser light be moving
A certain fuel-efficient hybrid car gets gasoline mileage of 55.0 mpg (miles per gallon). how many tanks of gas will you use to drive 1600 km
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