A pebble is dropped from a cliff. Neglecting air resistance, if the rock falls for 4 seconds. How fast is it moving?

Why is the warm air rising while the cold air is sinking

A rocket can fly into space because!

Consider two reaction vessels, one containing A and the other containing B with equal concentrations at t = 0 / If both substances decompose by first order kinetics where ka = 4.50e-4s^-1 kb=3.

A car slows down at - 5.00 m/s^2 until it comes to a stop after travelling 15.0 m. How much time did it take to stop?

Find the sum of the vectors:10km west. 5 km south

In later years, motors improved and could be run directly from a 60 Hz power supply. As a result, 25 Hz power systems shrank and disappeared.

Acceleration increases over time once a force is applied to the object. Given a force of 10.0 Newtons, which mass will have the greatest acceleration?

The transfer of energy between two objects by electromagnetic waves is called

What is the unit of k (spring constant) in SI system?

The teacher prepares 2.50 liters (L) of a salt solution for a class experiment. How many quarts (qt) are in 2.50 L? (1 quart = 0.943 liters)