A boy suddenly comes and sits on a circular rotating table. What will remain conserved?

a. linear momentum

b. kinetic energy

c. angular momentum

d. potential energy

You are to drive to an interview in another town, at a distance of 270 km on an expressway. the interview is at 11:15 a. m. you plan to drive at around 100 km/h, so you leave at 8:00 a. m. to allow some extra time.

What structure allows only certain things to pass in and out of the cells

One might imagine that if energy generation by nuclear fusion were to increase in a star, this would heat the gas, which would in turn increase the rate of nuclear fusion, and so forth in a runaway cycle of increasing temperature.

The greenhouse effect plays a major role in the climate of a planet. Visit the Greenhouse Effect AstroTour (Links to an external site.), and use what you learn there to choose all the statements below that are correct. Note that 273 K = 0°C = 32°F.

Traveling in a straight line, the car slows down uniformly from 28 m/s, taking 3.5 s to come to as stop. what is the car's average acceleration during the 3.5 s? How far does the car travel during the 3.5 s it take to stop?

When will the earths core overheat and explode from the pressure buildup?

Which is the correctly balanced equation for the reaction of rust, Fe2O3, and hydrochloric acid, HCl? Fe2O3 + HCl → FeCl3 + H2O Fe2O3 + 3 HCl → 2 FeCl3 + H2O Fe2O3 + 6 HCl → 2 FeCl3 + 3 H2O Fe2O3 + 3 HCl → 2 FeCl3 + 3 H2O

How many DNA strands could you fit into a milimeter

A screwdriver with a 1-cm shaft and a 4-cm handle is used to tighten a screw. calculate the ideal mechanical advantage.

Plants make food through photosynthesis, a chemical reaction. What are the starting substances of the reaction?