A pilot flying low and slow drops a weight; it takes 1.8 s to hit the ground, during which it travels a horizontal distance of 140 m . Now the pilot does a run at the same height but twice the speed. How much time does it take the weight to hit the ground

What are the theoretical properties of a gas at a temperature of 0 kelvin?

Imagine that you have two balloons (or, better yet, actually inflate two balloons, if possible). create static electricity around one of the balloons by rubbing it against your hair or your sweater and then bring that balloon close to the other balloon, which has not been charged. try this with at least one other object—and for variety in the discussion, avoid using an object already described by your classmates. then, for your initial post to the discussion, answer the following questions: what happened with the two balloons?

What happens when the number of protons in an atom changes