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A temperature controller designed to work in an atmosphere containing steam a bimetallic strip of brass and steel built connected at their ends by rivets. Each metal has 2.0 mm thick. At 20 ° C, the strip is 10.0 cm long and is straight. Find the radius of curvature of the assembly at 100 ° C.
Consider 5.00 mol of liquid water. What volume is occupied by this amount of water? The molar mass of water is 18.0 g/mol
q1. an green hoop with mass mh 2.5 kg and radius rh 0.14 m hangs from a string that goes over a blue solid disk
The light shining on a diffraction grating has a wavelength of 490 nm (in vacuum). How many lines per centimeter does the grating have
A 100kg mass is on an inclined plane of 30 degrees. It's connected to a second unknown mass that hangs over a frictionless pulley. What is the unknown mass required to maintain an acceleration down the place of 1m per sec
A skater spins with her arms extended at a speed of 11 m/s. If she then whips her arms in to her body to form a circle with a radius of 0.4 m, what was the radius of the circle
Mario is watching Luigi fly past in a spaceship at 1.63×108 m/s. How long does an hour on the ship last, according to Luigi
A woman can read the large print in a newspaper only when it is at a distance of 59 cm or more from her eyes. What should be the refractive power (in diopters) of her glasses
A .250kg ball is thrown horizontally at 16.8m/s Find its change in the magnitude of the momentum
During a process, 21.6 MJ of heat is added to a closed system. If the internal energy is increased by 59.6 MJ: How much work in Btu was done, Was this work done on or by the system
the scientific method is used by scientists to understand the natural laws that the universe obeys. scientists are not
A 0.144 kg baseball is pitched horizontally at +38 m/s and after it is hit by the bat it moves horizontally at -38 m/s.
A pot of hot water is boiling on your stove. The pot is in the shape of a round cylinder made of aluminum which is 10 cm in radius. What is the difference in temperature between the inner and outer sufaces of the aluminum bottom of the pot
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