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A 82 fisherman jumps from a dock into a 124 rowboat at rest on thewest side of the dock. If the velocity of the fisherman is3.4 m/s to the west as he leaves the dock, what is the final velocity of the fisherman and the boat? Answer in units ofm/s.
a plastic bag is filled with helium at atmospheric pressure and 23.0 oc. assume that the mass of the bag is negligible
In tae-kwon-do, a hand is slammed down onto a target at a speed of 13 m/s and comes to a stop during the 7.0 ms collision. What are the magnitudes of the impulse
A charge 2q is located at the origin. A charge -3q is located at x = d, y = 0, z = 0. Where is the electric field zero
Two horses pull a large crate of negligible mass at constant speed across a barn floor by means of two light steel cables. What is the work done by each horse if the box is moved a distance of 30 m
A frictionless pulley has the shape of a uniform solid disk of mass 4.00 kg and radius 28.0cm. A 3.60 kg stone is attached to a very light wire that is wrapped around the rim of the pulley, and the stone is released from rest. As it falls down, the w..
A copper-constantan thermocouple generates a voltage of 4.55 10-3 volts when the temperature of the hot junction is 103.4° C, what is the temperature of the hot junction when the voltage is 1.94 10-3 volts
A light wave is in normal incidence on a diamond crystal, (a) What is the reflectivity? (b) What is the ratio of the electric field in the reflected wave to that in the incident wave? (c) What percentage of the intensity of the incident wave is trans..
In a Young's double-slit experiment, a set of parallel slits with a separation of 0.102 mm is illuminated by light having a wavelength of 558 nm, What is the difference in path lengths from the two slits to the location of a third order bright frin..
A ball of mass 1.5 kg is thrown upward. It leaves the thrower's hand with a velocity of 10 m/s. Calculate the average force exerted by the hand on the ball while the ball is slowing down
A point charge with charge q1 = 2.00?C is held stationary at the origin, How much work W is done by the electric force on the moving point charge
Discuss the functions of a thermoflask in terms of conduction, convection, and radiation. What improvements would you add to a modern day thermoflask
Assume this asteroid has the shape of a sphere. A rock sitting on the surface of the asteroid has a weight of 100 newtons. How is the mass of the rock affected by its change in position
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