The distance covered by an object accelerating uniformly in fifth and seventh second are respectively 38m and 48m find the initial velocity ,the acceleration and the distance covered in five second

Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?

Hydrogen and helium are both members of?

If the new moon happens on january 15th, what shape will it be on february 6th?