A Ball Is Thrown Vertically Upwards at 19

question 62

Multiple Choice

A ball is thrown vertically upwards at 19.6 m/s.For its complete trip (up and back down to the starting position) ,its average speed is:

• A)19.6 m/s.
• B)9.80 m/s.
• C)4.90 m/s.
• D)not given.