A toy rocket is launched straight up. At the exact top-of its' flight path, which of the followings is true?

Its velocity and acceleration are zero

Its velocity is zero and acceleration is 9.8 m/s2

Its velocity is 9.8 m/s and acceleration is zero

Its velocity is 9.8 m/s and acceleration is 9.8m/s2



প্রশ্নের বর্ণনাঃ শীঘ্রই আসছে...