In a conversation with a friend, he expresses skepticism about global warning. when you inquire about his reasons, he responds by saying that the weather in that area has been the coolest he can remember. using the information you have learned, what information could you offer to encourage your friend to reevaluate his position?

Aballoon is rising vertically upwards at a velocity of 10m/s. when it is at a height of 45m from the ground, a parachute bails out from it. after 3s he opens his parachute and decelerates ata a constant rate 5m/s. when. (a) what was the height of the parachutist above the ground when he opened his parachute? (b)how far is the parachutist from the balloon at t=3s? (c)with what velocity does the parachutist hit the ground? (d)after how long does the parachutist hit the ground after his exist from the balloon?