If two heaters are connected in parallel across the 120 volt source, the total power drawn from the source is __________
Fill in the blank(s) with correct word
2400 watts
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____________ is the closest planet to the Sun
Fill in the blank(s) with correct word
What is spectral resolution? Why can a large telescope allow for a higher spectral resolution than a smaller telescope?
What will be an ideal response?
In the operation of a steam-electric generating plant, the thermal energy input occurs
A) in the electric generators. B) in the condenser. C) at the point where the energy from the furnace is transferred into the boiler. D) at the point where the fossil or other fuel is shipped into the plant area. E) at the point where the hot steam pushes against the turbine.
A potential energy function for a certain system is given by U1(x) = Cx2 + Bx3. The potential energy function for a second system is given by U2(x) = A + Cx2 + Bx3, where A is a positive quantity
If an object begins at the same initial position with the same initial velocity in both systems, how is the motion in the two systems related? A) The motion in the first system will be with greater speed than in the second system because of the lower potential energy. B) The motion in the second system will be at greater speeds in one direction and lower speeds in the other direction relative to the first system. C) The motion in the two systems is identical. D) The motion in the second system will be with greater speed than in the first system because of the greater potential energy. E) The motion in the two systems will be in opposite directions.