Mechanical waves form when a source of energy causes a medium to compress.

a. True

b. False

Matt and Juan are studying chemical reactions and the law of conservation of matter in science. Each lab group conducted an experiment to verify the law. The boys materials can be seen in the data table: antacid tablet, water, and a zip lock baggie.

What is 7.441 rounded to the nearest 10ths, or first decimal place

3,730 watts equals about how many horsepower? 5 10 20 30

The temperature on the surface of the sun is about 6300°c. what is this temperature in degrees fahrenheit?

An airplane propeller is 2.18 m in length (from tip to tip) and has a mass of 102 kg. When the airplane's engine is first started, it applies a constant net torque of 1950 N⋅m to the propeller, which starts from rest.

ions are atoms or groups of atoms that have a positive or negative charge. which of the following statements is true of ions?

1. According to the nebular theory, the solar system formed from? A. accretion of protoplanets. B. a large, thin cloud of dust and gas. C. colliding planetesimals. D. all of the above 2.

What is the difference between tangential acceleration and centripetal acceleration?

A ball rolls down a ramp. The ball has a mass of 1 kg and it has 18 joules of kinetic energy. What is the ball's speed?

Scientists now think high-fructose corn syrup may disrupt appetite control, making people more often o sleep get angry Ceat fast