A footballer lobs a football at an angel 30 to the horizontal with an initial speed of 20m/s. What are the greatest height attained and the time of flight.

12 drag each label to the correct category. decide whether each statement describes mass or weight. measured in newtons measured in kilograms does not change when gravity changes === a gravitational force changes when gravity changes the amount of matter in something mass weight

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

For which pair of objects would adding the same a