A car with a radio antenna 1.0 m long travels at 80 km/h in a locality where the Earth's magnetic field is 5.0 × 10^?5 T. What is the maximum possible emf induced in the antenna as a result of moving through the Earth's magnetic field?
1.1 mV
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“What is the physical significance of the statement that the temperature of each node is just the average of its neighbors if there is no heat generation”
What will be an ideal response?
An electron has a speed of 0.643c. Through what potential difference would the electron need to be accelerated (starting from rest) in order to reach this speed? (c = 3.00 × 108 m/s, e = 1.60 × 10-19 C, mel = 9.11 × 10-31 kg)
A) 160 kV B) 130 kV C) 180 kV D) 200 kV
A moving cue ball strikes another ball of equal mass that is initially at rest on the flat planar surface of the pool table. If the collision is elastic, the direction of the velocity of the cue ball after the collision will be ________ to the direction of the velocity of the other ball.
What will be an ideal response?
A Carnot cycle engine operates between a low temperature reservoir at 20°C and a high temperature reservoir at 800°C. If the engine is required to output 20.0 kJ of work per cycle,
how much heat must the high temperature reservoir transfer to the engine during each cycle? A) 27.5 kJ B) 73.2 kJ C) 39.2 kJ D) 800 kJ E) 20.5 kJ