Home › CBSE Class 11 › Physics › Motion in a Plane › Per NCERT Example 3.1, rain falls vertically at …
Per NCERT Example 3.1, rain falls vertically at 35 m/s and wind blows horizontally at 12 m/s. The resultant speed is which?
A12 m/s
B23 m/s
C37 m/s
D47 m/s
Answer & Solution
Correct answer: C. 37 m/s
NCERT Ex 3.1: R = √(35² + 12²) = √(1225 + 144) = √1369 = 37 m/s.
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: