Why did the acorn fall to earth instead of rising up to the moon?

Give examples to show that friction is both a friend and a foe.

Lila is a track and field athlete. Se has to complete four laps around the track, which is 400 meters. The race took her 6 minutes to complete. Which best describes her speed and velocity? Her speed is 4.4 m/s, and her velocity is 0 m/s.

Order the sounds made by these sources from highest to lowest pitch. a. telephone, piano, motorcycle, lawn mower b. lawn mower, motorcycle, piano, telephone c. motorcycle, telephone, piano, lawn mower d. lawn mower, piano, telephone, motorcycle

List four ways a person can withdraw money from a checking account.

Matter is made out of atoms - assuming the conditions are not very extreme. In neutral atoms negative electrons orbit around the positive nucleus. The nucleus is composed of positive protons and neutral neutrons.

Where Pabs is absolute pressurePg, is gauge pressure, and Patm is atmospheric pressure. For example, if your tire gauge reads 34 lb/incz (pounds per square inch), then the absolute pressure is ...

The tip of a triangle is held 12.0 cm above the surface of a flat pool of water. A submerged swimmer in the pool sees the tip of the triangle at what distance above the water? Let the indices of refraction nwater = 1.33 and nair = 1.00.

What is a lever used for?

What did the romans build as a step toward environment management

Accelerations are produced by equal forces or unequal forces?