KinematicsHard

Question

Drops of water fall from the roof a building 9 m. high at regular intervals of time, the first drop reaching the ground at the same instant fourth drop starts to fall What are the distance of the second and third drops the roof ?

Options

A.6 m and 2 m
B.6 m and 3 m
C.4 m and 1 m
D.4 m and 2 m

Solution


9 = 0 + × (3t)2
= 3t

x2 = × 10 × (2t)2 = 20t2 = 20 × = 4m

x3 = × 10 × (t)2 = 5t2 = 5 × = 1m


Create a free account to view solution

View Solution Free
Topic: Kinematics·Practice all Kinematics questions

More Kinematics Questions

A bullet is fired horizontally from a rifle at a distant target. Ignoring the effect of air resistance, which of the fol...A projectile thrown with velocity v making θ with vertical gaints maximum height H in the time for which the projec...A projectile can have the same range R for two angles of projection. If t1 and t2 be the times of flights in the two cas...A ball is thrown upward at an angle of 30o with the horizontal and lands on the top edge of a building that is 20 m away...A particle is in linear simple harmonic motion between two points, A and B, 10 cm apart. Take the direction from A to B ...