Which of the following is true about short circuits?

A. Occurs when a very low resistance circuit is formed

B. Occurs when a very high resistance circuit is formed

C. Causes a very small current to form

D. Cannot cause a fire

How much energy is required to vaporize 234.5 g of water

Which of the following most completely describes an objects motion? A. a car travels 25 miles. B. The baby crawls 10 feet in 15 seconds toward the door. C. A marble rolls 10 m to the left D. The rain falls at a rate of one inch per hour

A 1.695 kg block of lead is 10 cm long, 5 cm high, and 30mm wide. Calculate the density of the lead

What will happen when all the hydrogen in the sun is fused up?

The men's world record for swimming 1500.0 m in a long course pool (as of 2007) is 14 min 34.56 s. At this rate, how many seconds would it take to swim0.650miles (1 mi = 1609 m) ?

What is thermodynamic process

A soap bubble usually pops because some part of it becomes too thin due to evaporation or drainage of fluid. The change in thickness also changes the color of light the bubble reflects. Why?

Earth's magnetic field is similar to that of a bar magnet. Select all the statements that are true as a consequence of this. A. It has a north and south magnetic pole. B. It has a bar-shaped iron section inside it. C.

What does electricity depend on to make electrons move? A:a source and the attraction to opposite charges B: Only source C:Only attraction of opposite charges

If two parallel light rays hit a plane mirror, what will be their orientation to one another after they reflect? a. they will remain parallel. b. they will be perpendicular. c. it depends on the initial spacing between the light rays. d.