Q145 · Practice questionSimple familiar1 mark
QUESTION 145
A ball is projected at at above horizontal. Ignore air resistance. Which is its velocity at the highest point?
(A)
(B)
horizontally
(C)
vertically upward
(D)
horizontally
WORKED SOLUTION
1 markAnswer B
ANSWER
B. horizontally
Worked solution
At the apex, , while . Zero vertical velocity does not mean zero total velocity.
Equivalent physically justified methods and consistent equivalent units accepted.
Displayed decimals are model answers; accept appropriate significant figures and consistent rounding from stated constants.
Select B.
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