Imagine a rock is dropped from the top of a tall building. After 2 seconds of falling, the rock's instantaneous speed is approximately 20m/s. does anyone know is it true or false

A rock with a volume of 4.5cm3 has a mass of 15.0g. What is the density of the rock?

What will happen if you keep increasing the temperature of a liquid

A messure of velocity must have a speed and

What is the symbol for current? a. a b. c c. i d. o

In which layers would a solid cube with 6 cm sides and a mass of 270 g float? Explain.

The force supplied by a spring depends on what?

What happens after the Gulf Stream travels north? It cools and flows away from the pole, causing cooler climates farther south. It circles the poles, becoming ice. It crashes with incoming warm water.

A crane lifts a 35,00-N steel grinder a distance of 25m in 45s. How much power did the crane require to life the grinder? Write your answer in Kilowatts.

An example of objects the move in revolution

How many hops does a kangoroo do in 1 day