Lightning flashed, and after 7 seconds there was a roll of thunder. To the nearest meter, determine how far lightning flashed from us,

if the speed of sound is 337 m / s.

How does crushing a cube of solute increase the rate of dissolving? A) By increasing the amount of solvent. B) By decreasing the amount of solvent. C) By increasing the surface area of the solute.

A water balloon is dropped out of a fifth floor window and hits an unsuspecting person below 4.0 seconds later. The window is approximately 80 m high 10 m high 40 m high 160 m high 4 m high

What can be done to double the power output of an object?

What occurs when salt is evenly mixed with water

Which BMI standard for teens is considered under weight? less than 5th percentile 85th percentile to less than the 95th percentile more than the 95th percentile

Which sentence contains italicized words that are used as an infinitive phrase? A. Kelly went to the grocery store. B. Tom went there for some flour. C. Mark wanted to go, but not today. D. Jane parked her car behind a truck.

The difference in electric potential between a thunder cloud and the ground is 1.53 108 V. Electrons move from the ground which is at a lower potential to the cloud which is at a higher potential.

A vitamin called folic acid is very important for neural tube development, which is the development of the baby's

Which vocabulary term is survival of the fittest

An object weighs 32 newtons. What is its mass if a gravitometer indicates that g = 8.25 m/s2?