Sự kiện nào đánh dấu giai đoạn giai cấp tư sản Ấn Độ bước lên vũ đài chính trị?

Which statement best explains why an object weight less on mercury than it does on earth

Why do electron microscopes have higher resolving power than light microscopes?

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?