Consider a 1.40 kW hair dryer operated on 120. V. What is (a) the current? (b) its resistance?
What will be an ideal response?
(a) 11.7 A
(b) 0.3 Ω
Physics & Space Science
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The white zones of Jupiter are probably made of:
A) hydrogen sulfide. B) water ice. C) dry ice. D) ammonia ice. E) phosphorus.
Physics & Space Science
The kilowatt is a measure of
A) force. B) sex appeal. C) energy. D) power. E) speed.
Physics & Space Science
A thin-walled cylindrical tank with a diameter of 200 mm has an internal pressure of 11 MPa. The yield stress in tension is 250 MPa, the yield stress in shear is 140 MPa, and the factor of safety is 2.5. The mini-mum permissible thickness of the tank is approximately:
(A) 8.2 mm (B) 9.1 mm (C) 9.8 mm (D) 11.0 mm
Physics & Space Science
X-rays are scattered by _________on the atoms in the sample.
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science