What is the molecular mass of ozone o3?

(unit = kg/mol)

A flashlight has a resistance of 2.4 ohms. what voltage is applied by the batteries if the current in the circuit is 2.5A?

Why does sound travel faster in water than in air? A. because water is a denser medium than air B. because air is a denser medium than water C. because water has a larger wavelength than air D. because air has a larger wavelength than water

A 9kg bowling ball rolls of a table and strikes the ground. If the ball is in the air for 0.5 sec, how fast is the ball moving when it hits the ground?

Describe a cell at the beginning of the Mitosis process. If someone could answer asap, that would be awesome!

Explain how Einstein's contribution to understanding the force between the earth and the moon differed from Newton's. Include a brief statement of Einstein's explanation in your answer.

Both artists and scientists contribute to our understanding of the world around us. Identify the ways that art and science are similar. Check all that apply.

An automobile accelerates from rest at 1 + 3 * sqrt (t) mph/sec for 9 seconds. how far does it travel in those 9 sec?

A glass lens, n glass = 1.52, has a 131 nm thick antireflective film coating one side, n film = 1.25. White light, moving through the air, is perpendicularly incident on the coated side of the lens.

An automobile steering wheel is shown. The ideal mechanical advantage of this wheel and axle is. If a driver must exert a force of 2 N to overcome an axle resistance of 16 N, the AMA of the steering wheel is and its efficiency is__ %.?

How does the law of conservation of energy apply to machines? -Machines create energy from scratch. -Machines consume energy until no energy remains. -Energy transferred to a machine equals energy transferred from it.