EASY
JEE Advanced
IMPORTANT
Earn 100

A drunkard is walking along a straight road. He takes five steps forward and three steps backward and so on. Each step is 1 m long and takes 1 s. There is a pit on the road 11 m away from the starting point. The drunkard will fall into the pit after,

50% studentsanswered this correctly

Important Questions on Kinematics I

EASY
JEE Advanced
IMPORTANT
A stone is dropped from a certain height which can reach the ground in 5 s. It is stopped after 3 s of its fall and then, it is released again. The total time taken by the stone to reach the ground will be,
EASY
JEE Advanced
IMPORTANT

A body travels 200 cm in the first 2 s and 220 cm in the next 4 s with deceleration. The velocity of the body at the end of the seventh second is,

MEDIUM
JEE Advanced
IMPORTANT
A body starts from rest and travels a distance S with uniform acceleration, then moves uniformly a distance 2S uniformly, and finally comes to rest after moving further 5S under uniform retardation. The ratio of the average velocity to maximum velocity is
MEDIUM
JEE Advanced
IMPORTANT
A body sliding on a smooth inclined plane requires 4 s to reach the bottom, starting from rest at the top. How much time does it take to cover one-fourth the distance starting from the rest at the top?
 
EASY
JEE Advanced
IMPORTANT
B1, B2, and B3 are three balloons ascending with velocities v, 2v, and 3v respectively. If a bomb is dropped from each when they are at the same height, then 
EASY
JEE Advanced
IMPORTANT
A particle is dropped from rest from a large height. Assume g to be constant throughout the motion. The time taken by it to fall through successive distances of 1 m each will be 
EASY
JEE Advanced
IMPORTANT
A ball is dropped into a well in which the water level is at a depth h below the top. If the speed of sound is c, then the time after which the splash is heard will be given by
EASY
JEE Advanced
IMPORTANT
If a particle travels n equal distances with speeds v1,v2,..., vn, then the average speed V¯ of the particle will be such that