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Tarzan swings on a vine from a cliff to rescue Jane, who is standing on the ground surrounded by snakes. His plan is to push off the cliff, grab Jane at the lowest point of his swing, and carry them both to the safety of a nearby tree . Tarzan's mass is 79.1 kg, Jane's mass is 42.5 kg, the height of the lowest limb of the target tree is 11.9 m, and Tarzan is initially standing on a cliff of height 21.7 m. The length of the vine is 33.1 m. With what speed should Tarzan push off the cliff if he and Jane are to make it to the tree limb successfully?
A charge q = 5.6 μC is placed at the origin, and asecond charge q = -4.2 μC is placed at x = 1m. find the electric potential midway between the two charges
What is the total magnitude of the magnetic flux by the coil before it is rotated.
Natural gold has only one isotope: If gold is bombarded with slow neutrons, particles are emitted. (a) Write the appropriate reaction equation. (b) Calculate the maximum energy of the emitted beta particles.
A beam of light is emitted 8.2cm beneath the surface of a liquid and strikes the surface 7.2cm from the point directly above the source. what can you say about the index of refraction of the liquid
A boat moves through the water of a river at 10-m/s relative to the water, regardless of the boat's direction. If the water in the river is flowing at 1.6-m/s.
A cannonball, mass 50 kg, is shot out of cannon at an angle of 75 degrees with respect to the horizontal. The initial speed is 10 m/s. the ball lands at the same height from which it began.
The coefficient of static friction between the 3000 lb car's tires and the road is 0.5. Determine the steepest grade the car can drive up at constant speed if car has (a) rear=wheel drive; (b) front-wheel drive; (c) four wheel drive.
A square coil (20.0 cm × 20.0 cm) that consists of 100 turns of wire rotates about a vertical axis at 1 500 rev/min. find the maximum emf induced in the coil by this field
Suppose the mirror is misaligned, so that the actual angle between the normal to the surface and due south is too large by 0.003°. By how many meters (due east) will the reflected ray miss the detector
The position of a particle moving along an x axis is given by x = 17t2 - 6.0t3, where x is in meters and t is in seconds. What is the maximum positive coordinate reached by the particle
a 0.230-a current is charging a capacitor that has circular plates 10.9 cm in radius. the plate separation is 4.00 mm.a
After 6.00 kg of water at 79.2 oC is mixed in a perfect thermos with 3.00 kg of ice at 0.0 oC, the mixture is allowed to reach equilibrium. find the change in entropy that occurs
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