What three things happen when air is warmed?

it expands

it contracts

it becomes lighter

it becomes heavier

it rises

it sinks

An exothermic reaction ___ energy. A) releases B) absorbs C) creates D) decreases

Even though uranus is bigger than earth why does earth have more gravity than uranus

Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades and the ice. The mass of the man is 86 kg, and the mass of the woman is 51 kg. The woman pushes on the man with a force of 46 N due east.

What would spica's parallax be if it were measured from an observatory on neptune's moon triton as neptune orbited the sun?

A 300.0-kg speedboat is moving across a lake at 35.0 m/s. what is the momentum of the speedboat?

A spider twirls a fruit fly around in a circle with radius 17.6 cm at the end of a web. If the velocity of the fly is 110 cm/s, what is the centripetal acceleration of the fly? m/s2.

Which force acts as an object to move it from rest or a constant straight line motion

Structure and Function of kidney

What happens if you double the number of batteries used in a circuit? (Assume all of the batteries A. The current doubles only. o B. The voltage doubles only. C. The current decreases. D The voltage decreases. 0 E. The voltage and current doubles.

What are the three properties of gravitational force between two objects?