Critical thinking questions 1. how do comets, asteroids, and meteorites influence life on earth? 2. compare and contrast comets, asteroids, and meteoroids. 3. what current risks are there to earth from neos? 4. where are meteorite remains most commonly found? why? 5. how have telescopes changed the way scientists study our solar system?

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?

During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.

Two positive charges are equal. which has more electric potential energy?