JAMB Physics 1990 Question 12

Question 12

Simple Machines

An inclined plane which makes an angle of 30° with the horizontal has a velocity ratio of

  1. A.2
  2. B.1
  3. C.0.866
  4. D.0.50
Show the answer and explanation

Answer: A (2)

Explanation

VR = 1/sin θ = 1/sin 30° = 2.