A heater is rated at 1200 watts for a 120-volt source.The current drawn by the heater is __________
Fill in the blank(s) with correct word
10 amperes
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The base of a metal block, which is fixed in place, measures 90 cm by 90 cm, and the height of the block is 60 cm
A force, applied to the upper face and parallel to it, produces a shear strain of 0.0060. The shear modulus of this metal is 3.0 × 1010 Pa. The displacement of the upper face, in the direction of the applied force is closest to A) 5.4 mm. B) 4.8 mm. C) 3.6 mm. D) 3.0 mm. E) 4.2 mm.
A shear force of 400 N is applied to one face of an aluminum cube having sides of 30 cm each. What is the resulting displacement of this face of the cube if the opposite face is held fixed? The shear modulus for aluminum is 2.5 × 1010 N/m2
A) 8.2 × 10-8 m B) 1.9 × 10-8 m C) 4.4 × 10-8 m D) 5.3 × 10-8 m
An airplane traveling at half the speed of sound emits sound at a frequency of 5 000 Hz. At what frequency does a stationary listener hear the sound as the plane approaches, and after it passes by? Assume the airplane is not flying very high
Death Valley in California receives many German tourists. When you convert a summer temperature reading of 130° F to the Celsius scale they use at home, you find that the Celsius temperature is about
a. 26° C. b. 54° C. c. 72° C. d. 176° C e. 327° C.