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A 5.00 kg object is released from rest while fully submerged in a liquid. The liquid displaced by the submerged object has a mass of 2.14 kg. Take the upward direction to be positive. What is the displacement of the object in 0.257 s, assuming that it moves freely and that the drag force on it from the liquid is negligible?
A barge with a mass 1.50 X 10^5 kg is proceeding down river at6.2 m/s in heavy fog when it collides broadside with a bargeheading directly across the river. What are the speed and direction of motion of the first barge
The Mariana trench is located in the Pacific Ocean at a depth of about 11 000 m below the surface of the water. For comparison, determine the weight of a jetliner whose mass is 6.04 × 105 kg
A laser has a 200-W, 1.0 mm^2 cross-sectional area beam. find the amplitude of the electric and magnetic fields
If the magnitude of the drift velocity of free electrons in a copper wire is 6.28 10-4 m/s, what is the electric field in the conductor
Gas in a container is at a pressure of 1.1 atm and a volume of 6.0 m3. What is the work done on the gas if it expands at constant pressure to twice its initial volume
A hurricane-force wind of 220 blows across the face of a storefront window. Estimate the force on the 2.2 3.5 window due to the difference in air pressure
A mass M1 = 5 kg sits on a table top connected by an ideal rope and pulley with a hanging mass M2 = 1 kg. The coefficient of kinetic friction between the table and M1 is 0.15, and the coefficient of static friction is 0.25. What is the acceleration o..
A wave on a Slinky has a frequency of 1.69 Hz. It takes 4.1 s to travel the length of the Slinky (0.29 m). What is the wavelength.
A particle leaves the origin with an initial velocity=(3.76i)m/s and a constant acceleration =(-1.43i-2.69j) m/s^2. find velocity and position vector of particle
A light bulb is wired in series with a 131-? resistor, and they are connected across a 120-V source. What are the two possible resistances of the light bulb
A small turbo-prop commuter airplane, starting fromrest on a Tallahassee airport runway, accelerates for 22.5s before taking off. Its speed at takeoff is 50.6m/s.
A 6 kg block slides along a frictionless horizontal surface. The block is acted on by two forces, a 4.5 N force to the left, and a 7.5 N force to the right. At what rate is the 4.5 N force doing work on the block at the instant when its speed is 4..
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