A 400-hp engine can deliver, in SI units, an average power of _____. (1 hp = 746 W)
a. 200 W
c. 149,000 W
b. 74,600 W
d. 298,000 W
D
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Atomic number refers to ________
Fill in the blank(s) with correct word
In a parallel circuit with three resistors all the same size, the current flow though each leg of the circuit will be equal
a. True b. False Indicate whether the statement is true or false
Express (2.2 × 106)-1/2 in scientific notation
A) 6.7 × 10-4 B) 1.5 × 103 C) 1.5 × 10-5 D) 1.5 × 104
A square plate has an area of 29.00 cm2 at 20.0°C. It will be used in a low temperature experiment at T = 10.0K where it must have an area of 28.00 cm2 . What area must be removed from the plate at 20.0°C for it to have the correct area at 10.0 K? (The coefficient of linear expansion is 10 × 10^?6 (°C)?1.)
a. 0.079 3 cm2 b. 0.159 cm2 c. 0.238 cm2 d. 0.836 cm2 e. 0.921 cm2