What is the comet's tail made of?

What changes occur in the molecular magnet when magnet is demagnetized

The earth is made mostly of metals and rocks. Where did this material come from? It was made by nuclear fission of uranium and other radioactive materials. It was produced in the Big Bang. It was created by chemical reactions in interstellar space.

The position-time graph of an object moving with a constant average velocity is always a straight line

5 ways to reduce friction

In order to increase the amount of work done, we need to: A. decrease the force applied to an object. B. decrease the time to do the work. C. increase the time to do the work. D. increase the force applied to the object.

What is the period of a 1.00 m long pendulum?

Kaylie is describing the physical properties of an orange and a lemon. which two physical properties can she determine without using any measurement instruments

What is an example of a third class lever and why use it? A) pulley; changes direction B) baseball bat; increases velocity Eliminate C) car jack; increases the weight it can lift D) wheel barrow; makes it easier to move a load

1. The horizontal and vertical components of a projectile's velocity are a. directly proportional C. independent of each other b. inversely proportional d. equal

Which features involve compression? Select the three correct answers. A. Reverse faults B. Anticlines C. Folded mountains D. Normal faults E. Monoclines