A student takes an exam containing 1212 true or false questions. If the student guesses, what is the probability that he will get less than 99 but more than 66 questions right? Round your answer to four decimal places.

Ben(55 kg) is standing on very slippery ice when junior(25kg) bumps into him. junior was moving at a speed of 8m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision .

Most short-period comets do not have randomly oriented orbits because

Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?