What element is the basis for all living things and can combine with other elements in many ways?

Two similar sized stones, one heavy and one light, are dropped from the same height into a pond. Explain why the impact of the heavy stone would produce waves with higher amplitude than the impact of the light done would.

How are voltage (V), current (I), and resistance (R) related?

What happens when a negatively charged object A is brought near a neutral object B?

considere que o calor específico de um material presente nas cinzas seja c=0,8j/gc. Supondo que esse material entre na turbina a 20c, a energia cedida a uma massa de m=5g do material para que ele atinja uma temperatura de 800c é igual a

Highlight each sentence that is true about atoms, matter, and electric charge. a.âall atoms have an electric charge. b.âelectric charges are carried by particles of matter. c.

Mrs Garcia traveled 15 km in 1 hour. What was her average velocity in km/s?

Contrast the nucleus and electron in a cloud

For saving lives, what is the most important safely feature on a car a. air bag b. safely belt c. anti-lock brakes

An 1700 kg car is moving to the right at a constant speed of 1.50 m/s. (a) what is the net force on the car

Since there are no aurora observed on Venus we can conclude that Venus a. lacks atmospheric oxygen b. is too hot for magnetic forces. c. lacks a strong magnetic field. d. lacks strong winds.