Discover Questions

If you stretched a rubber band so it had 100 J of PE, with how much KE would a rock leave the slingshot? If it loses 10 J to heat and sound? David drops a ball from a bridge at an initial height of 65 feet. How many seconds after the ball is released will it hit the ground? 7.028x10^-10 seconds is how many femtoseconds? Was Fred Hoyle theory of the Universe that it always existed with continuous creation Right? The measure of an angle is 44 times the measure of a complimentary angle. What is the measure of each angle?