If the speed of an object triples how does this affect its kinetic energy

Which best describes why a physical change differs from a chemical change? A. A physical change predicts the behavior of a substance when in a reaction, whereas a chemical change is used to identify characteristics of a substance. B.

A position-time graph is shown for a motorcycle driving south. According to the graph, what is the motorcycle's average velocity? 5 km/h south 24 km/h south 120 km/h south 150 km/h south

The international space station orbits the earth at a distance of 6,783 km from the center of the earth it travels at 7.66 km/s. Find the time it takes for the ISS to complete one orbit.

What is one common source of background radiation?

How do you calculate the effective resistance in a parallel circuit?

Over the course of a martian year, what are the ranges of the rms speeds of the co2 molecules.

Why is it important that all scientists use the metric system?.

Whay is moon non-lominous body

How many (whole number of) 91 kg people can safely occupy an elevator that can hold a maximum mass of exactly 1 metric ton? A metric ton is 1.000 * 103 kg. Answer in units of people.

Cho is using technological design to build a clock based on the apparent motion of the Sun. Which of the following would be the best measure of success for Cho's clock? A. Cho's clock works even at night. B.