Question
Three balls of different masses are thrown straight upwardwith initial speed as indicated: Ball A: initial speed is 10 m/s, mass i 1.0 kg Ball B: initial speed is 15 m/s, mass is 1.5 kg Ball C: initial speed is 3 m/s, mass is 0.8 kg From fastest to slowest, rank the speeds of the balls 1s afterbeing thrown. Please explain in details how you get the answer. Thank you somuch for your help! Three balls of different masses are thrown straight upwardwith initial speed as indicated: Ball A: initial speed is 10 m/s, mass i 1.0 kg Ball B: initial speed is 15 m/s, mass is 1.5 kg Ball C: initial speed is 3 m/s, mass is 0.8 kg From fastest to slowest, rank the speeds of the balls 1s afterbeing thrown. Please explain in details how you get the answer. Thank you somuch for your help!
Explanation / Answer
v = v0 - gt speed of ball aftertime t A) v = 10 - 9.8 = .2 m / sec (still moving upward) B) v = 15 - 9.8 = 5.2 m / sec upward C) v = 3 - 9.8 = -6.8 m/sec downward Speed ranking C, B, A