Search SchoolNGR

Monday, 06 April 2026
Register . Login

An object is protected with a velocity of 100m-1 at an angle of 60o to the vertical. ...

An object is protected with a velocity of 100m-1 at an angle of 60o to the vertical. Calculate the time taken by the object to reach the highest point (Take g as 10ms-2
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 5.0s
  • B 8.7s
  • C 10.0s
  • D 17.3s
  • E 20.0s
Correct Answer: Option B
Explanation:
t = \(\frac{T}{2} = \frac{1}{2} = \frac{2u \sin \theta}{g} = \frac{100 \times \sin 60}{10}\)
10 sin60 = 10 x 0.8660
= 8.7

Share question on: