A stone is thrown vertically upward with a velocity of 19.6 m/s . After 2 seconds , another stone is thrown upwards with a velocity of 9.8 m/s . When and where will these stones collide ? Please answer the question with a step-by-step solution .
A stone is thrown vertically upward with a initial speed of 19.5 m/s . What is the maximum height which it covers ?