A cannonball is shot vertically upward with a velocity of 75m/s. (i) Calculate how long it takes
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Question:
A cannonball is shot vertically upward with a velocity of 75m/s.
(i) Calculate how long it takes for the cannonball to reachits highest point.
(ii) While it is rising in the air (choose one an explainchoice)
(a) its acceleration and velocity areboth upward
(b) its velocity is upward and itsacceleration is downward
(c) its velocity and acceleration areboth downward
(d) its velocity is downward and itsacceleration is upward
(e) its velocity and acceleration areboth increasing
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