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meters/second

A car accelerates from 4 meters/second to 16 meters/second in 4 seconds. The car's acceleration is

Sound waves travel the fastest through which of the following? A. cold gas B. hot gas C. Hot vacuum D. Cold vacuum

The mass of a single molybdenum atom is 1.59*10⁻²² g. Suppose enough Mo atoms were lined up like beads on a string to span a distance of 33.4 cm (13 inches). How many atoms would be required?

Which of the following correctly shows the four most abundant gases in the Earth's atmosphere in order from most abundant to least abundant? A. oxygen, nitrogen, argon, carbon dioxide B. nitrogen, oxygen, argon, carbon dioxide C.

A soccer player kicks a ball horizontally off a 40.0-m-high cliff into a pool of water. If the player hears the sound of the splash 3.00 s later, what was the initial speed given to the rock? Assume the speed of sound in air is 343 m/s.

A cart rolling down an incline for 5.0 seconds has an acceleration of 4.0 m/s. If the cart has an initial speed of of 2.0 m/s, what's its final speed.

Which has the least potential energy

Why does the nucleus of an atom have a positive charge?

Why is the electromagnetic spectrum called a spectrum?

Ariana is accelerating her car at 4.6 m/s^2 it took her 10 seconds to reach this acceleration her starting lost the day was 0 meters per second what was her final velocity

The magnitude of the tidal force between the International Space Station (ISS) and a nearby astronaut on a spacewalk is approximately 2GmMa/r3. In this expression, M is the mass of the Earth, r=6.