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A steel tank is completely filled with 2.70 m^3 of ethanol when both the tank and the ethanol are at a temperature of 31.0 degree C. When the tank and its contents have cooled to 17.5 degree C, what additional volume of ethanol can be put into the tank?
Please post answer: Explanation appreciated
A spaceship travels at a constant speed from earth to a planet orbiting another star. When the spacecraft arrives, thirteen years have elapsed on earth, and 6.5 years have elapsed on board the ship. How far away (in meters) is the planet, according t..
Four identical charges (+2uC each) are brought from infinity and fixed to a straight line. The charges are located .4 m apart. Determine the electric potential energy of this group.
Kirk and Spock have the chance to take a tour of an ancient space station that was built before gravitational field generators were developed. Find the apparent acceleration experienced by the crew remaining on the rim
Digital bits on a 12.0-cm diameter audio CD are encoded along an outward spiraling path that starts at radius R1=2.5cm, Determine the total length of the spiraling path
you place a magnetic compass on a horizontal surface allow the needle to settle into its equilibrium position and then
a wire 3.00 m long and 0.450 mm2 in cross-sectional area has a resistance of 39 at 20degc. if its resistance increases
The Enterprise has entered a standardorbit (circular orbit 500 km above the surface)about Earth. what is the period of her orbit
q1. revolutionary war cannon with a mass of 2220 kg fires a 22.7 kg ball horizontally. the cannonball has a speed of
If the ball is free from rest at a height of 0.67 above the bottom of the track on the no-slip side, what is its angular speed when it is on the frictionless side of the track? Suppose the ball is a solid sphere of radius 2.2 and mass 0.14.
A 90--nozzle with exit diameter d is attached to a hose of diameter 3d with pressure p. The nozzle changes the direction of the water flow from the hose through an angle of 90-. Calculate the magnitude of the force of the water on the nozzle if ..
Besides light sources and detectors, what are the main optical elements used in a typical optics experiment or an optical device? Explain their role.
Determine the moment of inertia for three children weighing 57.0 lb, 42.0 lb and 78 lb sitting at different points on the edge of a rotating merry-go-round, which has a radius of 12 ft.
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