Question 2
(2.1) An object is shot from the ground at 75m/s at an angle of 45⁰ above the horizontal.
How high does the object get before beginning its descent?
(2.2) A ball is launched at an angle of 30o above the horizontal with an initial velocity of 8m/s. At what time is its vertical velocity 0 m/s
(2.3)A book rests on a table. The force of gravity pulls down on the book with a force of
20 newtons. What prevents the book from accelerating downward at 9.8 m/s2?
(2.3) According to
(2.4). What could be the reason a car moving on a horizontal road gets thrown out of the
road while taking a turn.
(2.5) The
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