Prepare for NEET Physics Motion In A Straight Line with topic-wise MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert solutions to enhance your speed and accuracy.
A ball is thrown vertically upwards from the ground with a speed 'u'. At what time after projection will the ball have the same speed but in the opposite direction? (Assume is the acceleration due to gravity)
u/g
2u/g
u/2g
3u/2g
A stone is dropped from a balloon rising vertically upwards with a velocity of . The stone reaches the ground in . What was the height of the balloon when the stone was dropped? (Take )
60 m
120 m
180 m
240 m
A body is projected vertically upwards. At its highest point:
Its velocity and acceleration are both zero.
Its velocity is zero and acceleration is upwards.
Its velocity is zero and acceleration is downwards.
Its velocity is maximum and acceleration is downwards.
The velocity-time graph of a particle moving along a straight line is a parabola with vertex at the origin and opening upwards. Which of the following statements is correct about the particle's motion?
The particle moves in the same direction with constant acceleration.
The particle moves in the same direction and its acceleration increases with time.
The particle changes its direction of motion and its acceleration is constant.
The particle changes its direction of motion and its displacement is linearly increasing with time.
A position-time graph for a particle moving along the x-axis is shown. At which point is the particle's speed the greatest?
A
B
C
D
The displacement-time graph of a moving object is a straight line making an angle of 30Β° with the time axis. What is the velocity of the object?
sin(30Β°)
cos(30Β°)
tan(30Β°)
cot(30Β°)
Which of the following graphs correctly represents the velocity-time graph of a ball thrown vertically upwards and then returning to the thrower's hand?
A parabola opening upwards
A parabola opening downwards
A straight line with negative slope
A horizontal straight line