A driver looks at her dashboard and reads that she is traveling at 100 kilometers per hour. What does this measurement represent?

A) time

B) distance

C) average speed

D) instantaneous speed

Are There only two quantities of measurements? Vector n scalar?

The following reaction is an example of a base reacting with water: NH3 + H2O → H3O + NH4+ True False

Green light has a lower frequency than blue light. Which color of light has a longer wavelength?

Explain why it may make more sense to colonize on Venus, rather than Mars.

A small rock falling from the top of a 124-ft-tall building with an initial downward velocity of - 30 ft/sec is modeled by the equation h (t) = - 16t2 - 30t + 124, where t is the time in seconds.

A weather balloon is inflated to a volume of 2.2 x 10^3 L with 374 g of helium. What is the density of helium in grams per liter?

What is the result of a mutation during replication A: the strands are different B: the strands are identical c: the strands are broken D: the strands are continuous

What is ___ heating of a liquid__ gas to liquid

A gate in an irrigation canal is constructed in the form of a trapezoid 2 m wide at the bottom, 38 m wide at the top, and 2 m high. It is placed vertically in the canal so that the water just covers the gate.

A machine with a mechanical advantage of 10 is used to produce an output force of 250 newtons. What input force is applied to this machine