A baseball is hit almost straight up into the air with a speed of 21 m/s. how much time does it take for the package to reach the ground?

Who invented the prism?

What is one positive outcome of the recent events?

How does evaporation effect land-water heating differences? a. Evaporation affects the temperature of land surfaces and water bodies the same amount. b. Evaporation tends to increase temperatures over land. c.

What is a common source for a voltage difference

What is the voltage of a circuit in a toaster with 12.0 amps of current and 8.0 ohms of resistance?

How to find final velocity given mass and initial velocity only?

What charge do electrons have? Negative Positive Neutral

What do you suppose would cause an atom to lose an electron?

Calculate the average speed of spacecraft orbiting mars

Two small spheres spaced 20.0 cm apart have equal charge. how many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57 * 10-21 n?