Question: The horizontal and vertical displacement 𝑥 and 𝑦 of a projectile at a given time 𝑡 are given by 𝑥 = 6𝑡 metre and 𝑦 = 8𝑡 − 5𝑡 2 metre. The range of the projectile in metre is
(A) 9.6
(B) 10.6
(C) 19.2
(D) 38.4
Answer: option (A)
Solution:
The horizontal and vertical displacement 𝑥 and 𝑦 of a projectile at a given time 𝑡 are given by 𝑥 = 6𝑡 metre and 𝑦 = 8𝑡 − 5𝑡 2 metre. The range of the projectile in metre is
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