Post-UTME Physics 2017 Objective — Question 5

Question 5 of 20 from the Post-UTME Screening (Post-UTME) Physics 2017 Objective paper, with the correct answer and a full explanation.

An avocado fruit drops from a tree 45m tall. How long does it take to reach the ground?

Explanation

Using h = (1/2)gt^2 with g=10ms^-2: 45 = 5t^2 => t^2=9 => t=3.0s. (No printed answer key for this session; answer worked out independently.)

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