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A thin spherical shell of mass 0.450 kilogram and diameter 0.230 meter is filled with alcohol (ρ = 806kg/m3). It is then released from rest at the bottom of a pool of water. Evaluate the acceleration of the alcohol-filled shell as it starts to rise toward the surface of the water.
An automobile of mass 1500 kilogram moving at 25.0 m/s collides with a truck of mass 4500 kilogram at rest. Determine the final velocity of that car and truck just after the collision
Consider a Rankine cycle with water as the working fluid. Superheated vapor enters the turbine at 480°C and 100 bar and exits at 0.06 bar. determine the actual heat removed from the condenser
10-nC point charge is located at the center of a thin spherical shell of radius 8.0 cm carrying -20 nC distributed uniformly over its surface. What is the magnitude of the electric field 2.0 cm from the point charge
the 1d wave equation for p-waves isfracpartial2 u1partial t2alpha2fracpartial2 u1partial x12 where alpha is the p-wave
A 30-caliber rifle with a mass of 2.84 kg fires a 9.73- g bullet with a speed of 556 m/s with respect to the ground. What kinetic energy is released by the explosion of the gunpowder
A small girl and boy take a sled up to the top of a snow covered slope which is inclined 30 degrees above the horizontal. How fast are they going at the bottom
Two nanowires are separated by 1.0 nm as measured by STM. Inside the wires the potential energy is zero, Estimate the probability that the electron passes from one wire to the other
A circuit contains six 240 ohm lamps with 60 W bulbs and a 10 ohm heater connected in parallel. the voltage across the circuit is 120 V. If the circuit has a fuse rated at 12 A, would it melt if everything is on.
In civil aviation, a “standard turn” for level flight of a propeller-driven airplane is one in which the airplane makes acomplete circular turn in 2 min. If the plane’s speed is 151m/s, what is the radius of the circle?
A major artery with a cross-sectional area of 1.00cm2 branches into 18 smaller arteries, By what factor is the average velocity of the blood reduced when it passes into these branches
A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 1.00 m and a mass of 475 kg. find the length of time the car could run before the flywheel would have to be brought back up to speed
A dentist's drill accelerates from rest at 640rad/s2for 2.30s and then runs at constant angular velocity for 6.50s. Through how many total revolutions has the drill turned
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