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Consider an elastic collision in one dimension that involves objects of mass 2.7 kg and 4.3 kg. The larger mass is initially at rest, and the smaller one has an initial velocity of 12 m/s. Find the velocities of the two objects after the collision. (Assume a coordinate system in which the positive x direction is to the right. Indicate the direction with the sign of your answer.)
A hydraulic lift consists of two pistons that connect to each other by an incompressible fluid. If one piston has an area of 0.49 m^2 and the other an area of 6.2m^2, how big a mass can be raised by a force of 220N exerted on the smaller piston.
A syringe has an area of 1.5 cm2 at its barrel and then narrows down to an area of 0.11 mm2 at the needle end. what is the force produced at the tip of the needle
(a) Determine the sound intensity at each of the three patches. (b) The sound power that passes through each of the patches is 2.00 10-3 W. Find the area of each patch.
Two positive charges, each of magnitude 3. 10-6 C, are located a distance of 4 cm from each other. What is the magnitude of the force exerted on each charge
A 497-turn solenoid has a radius of 8.75 mm and an overall length of 12.4 cm. If the solenoid is connected in series with a 2.50-? resistor and a battery, what is the time constant of the circuit
A point source of light illuminates an aperture 4.00m away. A 15.0cm- wide bright patch of light appears on a screen 1.00m behind the aperture. How wide is the aperture
A flat sheet of sodium chloride has a thickness of 2.50 cm. It is on top of a flat sheet of fused quartz that has a thickness of 1.26 cm, how far (in cm) would it have traveled in a vacuum
A pressure wave in air is described by the following equation: P(x,t) = A sin(2(pi)t/T - 2(pi)x/lambda), Determine the speed of the pressure wave
Two very large parallel plates are oppositely and uniformly charged. The field between the plates is 1.7×106N/C, How much total charge is on each plate if they are 18.0cm on a side
When responding to sound, the human eardrum vibrates about its equilibrium position. What is the maximum acceleration of the eardrum
The nonconservative wind and lift forces take the balloon up, doing +9.70 104 J of work on the balloon in the process. Illustrate at what height above the surface of the earth does the balloon have a speed of 8.90 m/s?
A fireman d = 60.0 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of ?i = 22.0° above the horizontal, at what height will the stream of water strike the building
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