Objects that have no mass

Which of the following correctly describes a gas A. The particles do not move B. the particales are closely locked in position and can only vibrate c. the particles are free to move independently, colliding frequently. And why

Over time, the star-gas-star cycle leads the gas in the milky way to

In an isolated system, bicycle 1 and bicycle 2, each with a mass of 30 kg, collide. bicycle 1 was moving to the right at 2 m/s, while bicycle 2 was moving to the left at 4 m/s. what is the magnitude of their combined momentum before the crash?

How do eyepieces with the smallest focal lengths change a telescope's overall magnification?

A ball is launched directly in the air at a speed of 40 feet per second from a platform located 10 feet in the air.

How is Electric current able to flow?

In a series circuit, loads which have the same voltage dropped across them will have?.

When a brick is dropped from the roof of a house, it lands on the ground with a speed v. What will the speed at ground level be for an identical brick dropped from a roof twice as high as the first one?

The scientific method begins with recognizing a problem. The recognized problem in this scenario is, "Why is the printer in the office not working?" Choose the hypotheses that are testable and from which an experiment can be formed.

The correctly balanced equation for H2O2 → H2O + O2 is