What is the maximum number of atoms that carbon can bond to?
A) 4
B) 2
C) 3
D) 1
A
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The rate at which work is done is equivalent to which of the following?
a. increase in potential energy b. thermal energy c. potential energy d. power
Water flows over a section of Niagara Falls at a rate of 1.30 × 10^6 kg/s and falls 52.0 m. What is the power dissipated by the waterfall?
a. 6.6E+8 W b. 6.8E+7 W c. 4.0E+7 W d. 5.3E+8 W e. 8.6E+6 W
When a microwave filter consisting of vertical parallel metal rods is in the absorbing position, oscillating currents are set up in the rods. At any one instant, the current in each rod has the same magnitude and direction. At that instant
a. the rods will try to move apart horizontally. b. the rods will try to move together horizontally. c. the rods will try to shift vertically upwards. d. the rods will try to shift vertically downwards. e. the rods will not be affected because the source of current is not a battery.
An incompressible fluid flows steadily through a pipe that has a change in diameter. The fluid speed at a location where the pipe diameter is 8.0 cm is 1.28 m/s. What is the fluid speed at a location where the diameter has narrowed to 4
0 cm? A) 0.32 m/s B) 0.64 m/s C) 1.28 m/s D) 2.56 m/s E) 5.12 m/s