A ball thrown straight upward has a height x above the ground which is given by the equation x = (19.6 m/s)t – (4.9 m/s2)t2. find the average velocity from
a. t = 0 to t = 2 s
b. t = 2 to t = 4 s
اتمنى من اعضاء المنتدى مساعتي في حل هاذه السؤال :shy_5new: