4. A baseball is hit at ground level. The ball is observed to reach its maximum height above ground levei 3.0 s after being hit. And 2.5 s after reaching this maximum height, the ball is observed to barely clear a fence tha is 97.5 m from where it was hit. How high is the fence?

A ball is thrown up in the air with an initial velocity of 21 m/s upward. How long does it take the ball to return to the ground? sec.

Question number 4

A ball is thrown up in the air with an initial velocity of 73 m/s upward. How long does it take the ball to return to the ground? sec.

You can accelerate and brake on your bicycle with a maximum magnitudeof the acceleration of 3 (m/s)/s. Your top speed is 12 m/s. You want to drop ofyour physics textbook at your friend who normally works with an electronictextbook version, but just called and asked you for your printed copy for theafternoon. She lives 168m up the road from you. You need 11 seconds to runout of your apartment and grab your bike, and you need another 11s to run toyour friend’s apartment door to hand her the book after stopping with your bike.How long to you need in total to bring her the book?

A solid steel ball is thrown directly downward, with an initial speed of 8.45 m/s, from the top of a building at a height of 30.2 m. How much time (in s) does it take before striking thes ground? Need Help? Read It

A red ball is dropped from rest at a heights of 8.20 m. A blue ball at a height of 10.5 , is thrown down at the same instant 1t 9.00 m/s.How lond does in take the blue ball to catch up with the red ball?