The coolest stars in the sky are in color.

What are chlorofluorocarbons and what impact do they have on the atmosphere?

Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.

What is the relationship between the direction of motion of the balloon and the wind currents