In what substance would heat transfer by conduction work best? oxygen, iron, water, or alcohol

Write short note on the following ; collision theory, rotation angle and angular velocity, centripetal acceleration, coriolis force, and newton's law of gravitation.

In the image, the arrow is pointing to a celestial object. which attribute disqualifies the object from being a planet?

Brutus, the dog, is pulling a bone to the left with a force of 20 n. lassie, another dog, is pulling a bone to the right with a force of 18n. what is the net force? a. b. c.