A student is testing her reaction time by trying to keep a light bulb on for exactly 4 seconds by matching a stopwatch. When she turns the light bulb off, the stopwatch reads 4.13 seconds. What is her reaction time?

What happens to the speed of the particles if the temperature is increased

A bottle of wine known as magnum contains a volume of 1.5 liters. A bottle known as a jeroboam contains. 792 u. s gallons. How many magnums are there in one jeroboam?

How much work os done on a 10N block that is lifted 5 meters off the ground by a pulley?

Kenny, who has a mass of 15 kg, slides down a friction-less slide that is 3.2 m tall. Cartman, who has a mass of 85 kg, slides down the same slide. A. What speed does Kenny reach at the bottom of the slide? B.

The nucleus of any atom requires a strong force to hold it together. This strong force is required because A) the nucleus of any atom is so small. Generelt B) protons and neutrons repel each other. C) positive protons in the nucleus repel each other.

A crude approximation for the x component of velocity in an incompressible laminar boundary layer is a linear variation from u = 0 at the surface (y = 0) to the freestream velocity, U, at the boundary-layer edge (y = δ).

Why did dad leave mom?

Sal drew the electron dot diagram of an aluminum atom as shown. How should Sal correct his diagram? He should add five more dots so that the atom obeys the octet rule. He should add ten more dots so that all thirteen electrons are shown.

What uses electricity

How do the elements in the Noble Gas family compare?