Q. The longest recorded pass in an NFL game traveled 86 yards in the air from the quarterback to the receiver.Assuming that the pass was thrown at the optimal 45 angle, what was the speed at which the ball left the quarterback's hand?
Q. The scale of a spring balance reading from 0 to 220 has a length of 15.0 . A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.40 . Ignoring the mass of the spring, what is the mass of the fish?