Which of these would be caused by a chemical change?

Which of the following best illustrates the role that gravity played in the formation of the solar system? A. Gravity allowed the nebula to expand and move outward. B. Gravity caused the nebula to cool enough for planets to form. C.

A pendulum takes. 5 seconds tp complete one cycle. what is the pendulum"s period and frequency?

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

A hot air balloon has a mass of 300 k gincluding the basket. The hot air inside the balloon weighs 17,000 N. Determine the maximum load that the balloon is able to lift displaces 25,000 N of cold air. Use 10 m/s 2 for gravity.

In what sense does the moon fall

A vehicle with a manual transaxle can be cranked and started without depressing the clutch pedal. Technician A says the clutch is not releasing when the pedal is depressed. Technician B says the most likely cause is a defective clutch safety switch.

Which of these signs is an example of a highway construction and maintenance sign

If argon could exist as a solid, what would best represent the speed through solid argon?

An atom of sodium has a larger mass than an atom of neon. How is this possible when neon has so many more valence electrons? What particles make up most of the mass of an atom? What takes up most of the volume of an atom?

Sara takes a 40-minute bus ride from her home to her grandparents' home, which is 8 km away. What is the average speed of the bus?