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A Carnot engine extracts 2200 Joule of heat from a hot reservoir and does 1150 Joule of mechanical work. Assume the cold reservoir is a very large block of ice at 0 degreeC. Compute what mass of ice would melt during this time? g
questionthe michelson interferometer can be used to measure an index of refraction of a gas by placing the evacuated
A slender rod with a length of 0.300m rotates with an angular speed of 8.80rad/s about an axis through one end and perpendicular to the rod. What is the induced emf in the rod
A skater rotates at 4.5 revolutions per second (rev/s) with legs together and arms raised over his head. By extending his arms, What is the new rotation rate
When you press one of the buttons on a small calculator, a 3.5 v battery provides a small constant current of 60μA for 300 ms. Calculate the electrical potential energy U produced by the battery
An engine with an output of 170 W has an e?ciency of 45 %. It operates at 12 cycles/s. How much heat is absorbed in each cycle
Two electrons are located at two of the vertices of an equilateral triangle, one at each vertex. What is the net electric field at the third vertex
which describes the electric potential and the electric field at a point due to a negatively charged particle?a the
A coil having L=0.14 H ,R=12? is connected across a v=110v, f=25Hz line. Compute a power factor and power
Give examples of four states of matter. Discuss how gravity affects weight and density. Why is the mass density more important than weight density?
Friction provides the force needed for a car to travel arounda flat, circular racetrack. What is the maximum speed at which acar can safely travel if the radius of the track is 80.0m and the coefficient of friction is0.40
q1. a jetliner can fly 5.32 hours on a full load of fuel. without any wind it flies at the speed of 220 ms. the plane
A car moving with an initial speed v collides with a second stationary car that is 49.0 percent as massive. Calculate the final speed of the second car
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