A particle is projected from horizontal ground with speed at an angle to the horizontal under gravity . Find the horizontal range .

Answer and explanation

Correct answer: D.

.
.
  1. Step 1: Resolve initial velocity into horizontal and vertical components: and .
  2. Step 2: Find the total time of flight by setting the vertical displacement to zero :
  3. Step 3: Calculate the horizontal range by multiplying the constant horizontal velocity by the time of flight :
Answer
.

Practise more Applied Maths: Kinematics, Projectiles and Newton's Laws.

Free questions with an explanation for every one, and full timed GCE Advanced Level (Sri Lanka) mock tests.

A particle is projected… | GCE Advanced Level (Sri Lanka)