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A coordinate system (in meters) is constructed on the surface of a pool table, and three objects are placed on the table as follows: a 8.0 kg object at the origin of the coordinate system, a 16.0 kg object at (0, 2.0), and a 18.0 kg object at (4.0, 0). Find the resultant gravitational force exerted by the other two objects on the object at the origin. What is the direction?
Consider a spring handing vertically from a ceiling, attached to a mass m of 2 kg. The spring constant, k, is 30 N/m. How far does the spring travel downwards before it reverses direction
A heat pump has a coefficient of performance of 3.85 and operates with a power consumption of 6.88 x 103 W. How much energy does it deliver into a home during 2 h of continuous operation
A 5 kg ball is thrown upward with an initial speed of 30 meters per second. Suppose there is a constant air resistance of 25N opposing the motion during its entire up and down path Draw a picture showing all the forces on the ball while it is on t..
The resistance across your (wet) tongue, from one side to the other near the tip, is 375 ? (assume that your tongue is an ohmic material). What current is flowing through the saliva that coats your tongue
What is the electric field at 9.4 cm from the central axis. What is the overall magnification of microscope.
A capacitor consists of two concentric conducting spherical shells with radii R1 and R2 = 4.0R1. It has capacitance C = 4.0 pF, and is charged to a potential difference of 60.0 V. by what factor does the stored energy change
if the block is raised back to 100 meters without gaining or losing heat from the environment, What is the blocks temp after it was raised
Now a peg is placed 4/5 of the way down pendulum's path so that when the mass falls to its vertical position it hits and wraps around the peg. As it wraps around the peg and attains its maximum height it ends a distance of 3/5 L below its starting po..
A science student is riding on a flatcar of a train traveling along a straight horizontal track at a constant speed of 11.5 m/s. How high does she see the ball rise
A particle of mass m is in an infinite square well of width L. determine the allowed energies for the system
A 12.6 V battery is in series with a resistance of 0.377 and an inductor. What's the voltage drop across the inductor at this time
An object of mass 2.2 kg is moving in the negative x direction at a velocity of 2 m/s. find the final velocity after the object has experienced the impulse
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