A rock is dropped into the Grand Canyon. It takes 18 seconds to hit the bottom. Calculate how deep the canyon is.

Which force causes a soccer ball to fall to the ground after it has been kicked up in the air

What theme is represented by frodo? a. even a small individual can make a big difference in the world. b. there is no such thing as free will. c. weak individuals must rely on the strong to survive. d.

Does wind have atoms and molecules in int

You throw a ball horizontally from the top of a building, with a speed of 3 m/s. In this problem, you can neglect the force of air resistance. After 2 Seconds, what is the balls horizontal velocity? A. Impossible to tellB. Less than 3 m/sC. 3 m/sD.

Needed answer NOW: How can atoms make up of all substance around you? Explain in one sentence.

Is a broom an example of a wedge?

Use your knowledge of the state of matter and the other physical properties of matter to write an explanation for what may have caused the following situation: Although it hasn't rained in a week, every morning the grass and the car windows are wet.

What is three example of technology

Lisa has three classes that each last 50 minutes qhat ia the total nuber of minutes of minutes of the three classe?

Which has a greater speed a heron hat travels 600m in 60 seconds or a duck that travels 60 m in 5 seconds? Explain