Home
Class 12
MATHS
A lizard, at an initial distance of 21 ...

A lizard, at an initial distance of 21 cm behind an insect, moves from rest with an acceleration of `2cms^(-2)` and pursues the insect which is crawling uniformly along a straight line at a speed of `20cms^(-1)`. Then the lizard will catch the insect after

A

24 s

B

21 s

C

1 s

D

20 s

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

The displacement of a body in 8 s starting from rest with an acceleration of 20 cms^(-2) is

A particle, initially at rest, starts moving in a straight line with an acceleration a=6t+4 m//s^(2) . The distance covered by it in 3 s is

The acceleration after t seconds of a particle which starts from rest and moves in a straight line is (8-t/5)cm/s^2 . Find the velocity of the particle when the acceleration is zero.

A bus moving along a straight line at 20 m/s undergoes an acceleration of 4 m/ s^(2) . After 2 seconds, its speed will be :

When an object is kept at a distance of 30cm from a concave mirror, the image is formed at a distance of 10 cm. If the object is moved with a speed of 9cm s^(-1) the speed with which the image moves is

A plane mirror is placed with its plane at an angle 30^(@) with the y-axis. Plane of the mirror is perpendicular to the xy-plane and the length of the mirror is 3m. An insect moves along x-axis starting from a distant point, with speed 2 cm/s. The druation of the time for which the insect can see its shown image in the mirror is:

A particle is executing S.H.M. from mean position at 5 cm distance, acceleration is 20 cm//sec^(2) then value of angular velocity will be

A particle starts from the origin with a velocity of 10 and moves along a straight line.If its acceleration be (2t^(2)-3t)(cm)/(s^(2)) at the end of t seconds,then find its velocity and the distance from the origin at the end of 6seconds