Physics > 2016 > 9
WASSCE
At a birthday party, the celebrant pops a corked fruit wine. If the cork shoots out of the bottle at an angle of 40° to the horizontal and travels a horizontal distance of 4.5 m in 1.25s, calculate the initial speed of the cork
A.
4.2 ms-1
B.
4.7 ms-1
C.
5.6 ms-1
D.
7.1 ms-1
Answer: B
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