How much energy is dissipated as heat during a two-minute time interval by a 1.5-kW resistor which has a constant 20-V potential difference across its leads?
a. 58 J
b. 46 J
c. 32 J
d. 72 J
e. 16 J
C
Physics & Space Science
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Apart from terrestrial planets, another promising place to find life in the solar system is
A) inside comets B) beneath the surfaces of icy Jovian moons C) in the atmospheres of Jovian planets D) inside asteroids
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A long nonconducting cylinder (radius = 12 cm) has a charge of uniform density (5.0 nC/m3) distributed throughout its volume. Determine the magnitude of the electric field 15 cm from the axis of the cylinder.
A. 20 N/C B. 27 N/C C. 16 N/C D. 12 N/C E. 54 N/C
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Gravity causes the pressure in the ocean to vary with depth
a. True b. False Indicate whether the statement is true or false
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When the equation Sb2S3 + HCl ? SbCl3 + H2S is balanced, the coefficient of SbCl3 is
a. 3. b. 1. c. 2. d. 4.
Physics & Space Science