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1.
Two cars 
are travelling in the same direction with velocities 
When the car 
is at a distance 
behind the car 
the driver of the car applies the brake producing uniform retardation, 
There will be no collision when
are travelling in the same direction with velocities When the car is at a distance behind the car the driver of the car applies the brake producing uniform retardation, There will be no collision when
2.
A body of 
10 
is moving with a constant velocity of 
.When a constant force acts for 4 
on it, it moves with a velocity 2 
in the opposite direction. The acceleration produced in it is
10 is moving with a constant velocity of .When a constant force acts for 4 on it, it moves with a velocity 2 in the opposite direction. The acceleration produced in it is
3.
A body, thrown upwards with some velocity reaches the maximum height of 
. Another body with the double the mass thrown up with double the initial velocity will reach a maximum height of
. Another body with the double the mass thrown up with double the initial velocity will reach a maximum height of
4.
A car accelerates from rest at a constant rate 
for some time, after which it decelerates at a constant rate 
and comes to rest. If the total time elapsed is 
then the maximum velocity acquired by the car is
for some time, after which it decelerates at a constant rate and comes to rest. If the total time elapsed is then the maximum velocity acquired by the car is
5.
A bullet is fired with a speed of 
in order to hit a target 
away. If 
, the gun should be aimed
in order to hit a target away. If , the gun should be aimed
6.
The 
graph for a particle is as shown. The distance travelled in the first four second is
graph for a particle is as shown. The distance travelled in the first four second is
7.
A body starts from rest, with uniform acceleration. If its velocity after 
seconds is 
then its displacement in the last two seconds is
seconds is then its displacement in the last two seconds is
8.
A body, thrown upwards with some velocity reaches the maximum height of . Another body with the double the mass thrown up with double the initial velocity will reach a maximum height of
. Another body with the double the mass thrown up with double the initial velocity will reach a maximum height of
9.
Figure given shows the distance - time graph of the motion of a car. It follows from the graph that the car is
10.
An object is moving with a uniform acceleration which is parallel to its instantaneous direction of motion. The displacement 
velocity 
graph of this object is
velocity graph of this object is