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You work in a materials testing lab and your boss tells you to increase the temperature of a sample by 34.9C . The only thermometer you can find at your workbench reads in degrees Fahrenheit. If the initial temperature of the sample is 75.0F, what is its temperature in degrees Fahrenheit when the desired temperature increase has been achieved? Express your answer in degrees Fahrenheit to three significant figures.
One side of the roof of a building slopes up at 42.5°. A roofer kicks a round, flat rock that has been thrown onto the roof by a neighborhood child.
A train at a constant 75 km/h moves east for 48 min, then in a direction 61.0° east of due north for 11min, and then west for 67 min.
A 23--long log of irregular cross section lies horizontally, supported by a wall at one end and a cable attached 4.0 from the other end, Find the log's center of gravity
the velocity of an airplane is 50km/hr due north. the plane the plane flies into a cross wind of 50km/hr due east at a right angle
a satellite orbits the earth a distance of 1.50x10^7m above the planet's surface and takes 4.89 hours for each revolution about the earth. what is the acceleration of this satellite
A thin layer of oil (n=1.25) is floating on water (n=1.33). What is the minimum non zero thickness of the oil in the region
A spring with spring constant 11N/m hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. What is its the mass of the ball
A loudspeaker of mass 19.0 kg is suspended a distance of h = 2.00m below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l= 3.50m. Illustrate what is the tension T in each of the cables?
A tank with a volume of 0.150 m contains 27.0 degrees celcius helium gas at a pressure of 100 atm. How various balloons can be blown up if each filled balloon so a sphere 30.0 cm in diameter at 27.0 and absolute pressure of 1.20atm .
You drop a stone into a deep well and hear it hit the bottom 2.60 s later. This is the time it takes for the stone to fall to the bottom of the well.
A waterpipe of radius 0.02 m delivers water at a flow rate of 0.01m^3/ s^1 at 20 degrees C. What is the average velocity of the water
A flint glass plate (n = 1.66) rests on the bottom of an aquarium tank. Calculate the apparent thickness of the plate as viewed from above the water
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