Home › CBSE Class 11 › Physics › Motion in a Plane › Per NCERT §3.5 eqn 3.13, the x-component of a ve…
Per NCERT §3.5 eqn 3.13, the x-component of a vector A of magnitude A making angle θ with the x-axis is which?
AA sin θ
BA² cos θ
CA cos θ
DA tan θ
Answer & Solution
Correct answer: C. A cos θ
NCERT eqn 3.13: A_x = A cos θ. Similarly A_y = A sin θ.
Related questions
The time for one full revolution is the:Centripetal acceleration has constant magnitude but is not a constant vector because its:Newton named the centre-directed acceleration:The acceleration in uniform circular motion always points:A car goes round a roundabout at a steady 20 km/h. Its motion is:For a fixed launch speed, range is greatest at a launch angle of:The horizontal distance from launch to where the projectile lands back at the same level iTime of flight is twice the time to reach maximum height because the path is: