A girl on a backyard trampoline bounces straight upward with an initial velocity of 4.5 m/s. what is the girl's velocity when she returns to the trampoline

What do lenses do? A:reflect light B:refract light C:concave mirror D: interfere with light

What is the height of a 2.00 kg object if its potential energy is 100 J?

You have 4 quarts of milk. How many liters is this? (1 quart equals about 0.946 L.)

The diameter of Saturn is nearly ten times that of Earth. However, the density of Saturn is much less than that of Earth. What is the reason for this? Group of answer choices Earth is hotter than Saturn. Saturn has a ring system.

A mixture consists of saw dust, salt, and pebbles. Which of the following instruments or materials would not be useful in separating this mixture? magnet filter paper screen water

How is Electric current able to flow?

In a series circuit, loads which have the same voltage dropped across them will have?.

When a brick is dropped from the roof of a house, it lands on the ground with a speed v. What will the speed at ground level be for an identical brick dropped from a roof twice as high as the first one?

The scientific method begins with recognizing a problem. The recognized problem in this scenario is, "Why is the printer in the office not working?" Choose the hypotheses that are testable and from which an experiment can be formed.

The correctly balanced equation for H2O2 → H2O + O2 is