If the current drawn from a 12 volt car battery is 100 amperes when it is short circuited with a wire, the resistance of the wire is 0.12 ohms
Indicate whether the statement is true or false
T
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A cable is 5.00 m long and has a diameter of 1.50 mm. The tensile modulus of the cable is 
A force is applied to the end of the cable and the cable stretches by 3.00 mm. What is the applied force?
A. 16.5 N B. 20.5 N C. 26.5 N D. 32.6 N E. 36.6 N
The solar wind is created in the Sun's ________.
A. corona B. convection zone C. radiation zone D. core
The slow ________ of Mercury was first determined using radar signals sent from Earth
Fill in the blank(s) with correct word
A coal-fired plant generates 600 MW of electric power. The plant uses 4.8 × 106 kg of coal each day. The heat produced by the combustion of coal is 3.3 × 107 J/kg
The steam that drives the turbines is at a temperature of 300°C, and the exhaust water is at 37°C. (a) What is the overall efficiency of the plant for generating electric power? (b) What is the maximum efficiency that this plant could possibly have using the same temperature extremes that it presently uses? (c) How much thermal energy is exhausted each day by this plant?