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A 650-kg roller coaster car starts from rest at the top of the first hill at height 26m and rolls down the frictionless track and passes through second hill at height 16m, third hill at height 9m and reach end of ride. Calculate the gravitational potential energy at...
Describe the principles behind Einstein’s theory of relativity and provide examples of how it has been experimentally
Magnetism – A Virtual PhET Lab After completing this lab activity, the students should be able to: Conduct an experiment to determine the magnetic field generated by a current-carrying wire loop Calculate the magnetic field generated by a current-carrying wire...
High-voltage power is often carried in wire bundles made up of individual strands. In your initial post to the discussion, discuss the forces on the strands of wire due to the current flowing through them. What would happen if the force acted the opposite of the known...
Consider a piston-cylinder assembly in which a gas undergoes a cycle consisting of the following three processes Process 1-2: constant pressure, P= 1.4 bar, aL1 = 0.058 m3, W12 = 7.5 Id Process 2-3: Compression with PV= constant, U3 = U2 Process 3-1: Constant volume,...
A gas in a piston-cylinder assembly undergoes a process during which the pressure-specific volume is related as PV’ 3 = Constant. The mass of the gas is 0.5 Ibm; the Initial pressure is 170 psia, volume is 1.2 ft3. The final pressure is 420 psia. There is a heat...
