Tiffany leaves several balloons filled with helium gas inside her car on a sunny day. When she returns to her car, some of the balloons are much larger and a few have popped. Explain what happened.

What affects the apparent brightness of a star

Acceleration is how quickly an object's velocity changes.

wich following is not use of doppler effect? a, radar b, astronomy c, energy transmission d, blood floe measurment

Through what media does mechanical waves move

What is the momentum of a 1.10 ✕ 104 kg garbage truck moving at 25.0 m/s?

Which statement correctly describes the nucleus of the atom? The nucleus of the atom contains the electrons. The nucleus of the atom is mostly empty space. The nucleus of the atom surrounds the center of the atom.

Inner planets that are composed mainly of rock and metal are called

A laboratory dish, 20 cm in diameter, is half filled with water. One at a time, 0.50/µL drops of oil from a micropipette are dropped onto the surface of the water, where they spread out into a uniform thin film.

The process that converts liquid to gas is melting true or false

A balloon was partially filled with helium gas at room temperature. It occupied 4.0 liters of volume at 700.0 mm Hg atmospheric pressure. When the balloon was released, it traveled upward until it burst at 99 mm Hg atmospheric pressure.