Which gas is the most abundant of the trace gases?

nitrogen

oxygen

argon

carbon dioxide

What are the two main functions of forming concepts?

If the sun in 148 million kilometers from the earth, how many minutes will it take the light from the sun to reach the earth?

In one hand you hold a. 12-kg apple, in the other hand a. 20-kg orange. The apple and orange are separated by. 75 m. What is the magnitude of the force of gravity that (a) the orange exerts on the apple? (b) the apple exerts on the orange?

Given light with frequencies of: 5.5 x 1014 Hz, 7 x 1014 Hz and 8 x 1014 Hz, calculate the wavelengths in free space. What color are these waves?

A insect is resting on the rim of a rotating table topper the topper is stopped after covering 125° and 1.3s later. What was the insect angular velocity in rad/s. answer choices: A. 0.7384 B. 1.6782 C. 2.1866 D. 464.73

A ship is traveling at 154 m/s and accelerates at a rate of 1.80 m/s^2 for 1 minute. What will its speed be after that minute? Calculate the answer in both meters per second and kilometers per hour.

Gerry is looking at salt under a powerful microscope and notice a crystalline structure. what can be known about the salt sample that Gerry is looking at

The kinetic energy of a moving object is equal to the work required to bring it to its speed from rest, or the work the object can do while being brought to rest.

Imagine standing on a bathroom scale and reading your weight. now lift one foot and read your weight again. does the scale read more, less or the same weight when you are standing on one foot?

The period T of a simple pendulum depends on the length L of the pendulum and the acceleration of gravity g (dimensions L/T^2). (a) Find a simple combination of L and g that has the dimensions of time.