At a birthday party, the celebrant pops a corked fruit wine. If the cork shoots out of the bottle at an angle of 40o to the horizontal and travels a horizontal distance of 4.50m in 1.25s. Calculate the initial speed of the cork.

A. 4.2ms-1

B. 4.7ms-1

C. 5.6ms-1

D. 7.1ms-1

Correct Answer: Option B

**B. 4.7ms-1**

Explanation

R = Ucosθ x t

U = R/Cosθ×t

= 4.50/Cos40N.25

= 4.699m/s

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