A body is projected vertically upward with the velocity $y=3 \hat{i}+4 \hat{j} ms ^{-1}$. The maximum height attained by the body is $\left( g =10\ ms ^{-2}\right)$.
- A$7 m$
- ✓$1.25 m$
- C$8 m$
- D$0.08 m$
Answer: B.
View full solution →Question types
Kinematics question types
240 questions across 4 question groups — pick any mix to generate a Physics paper with step-by-step answer keys.
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Sample Questions
Kinematics questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
If a body moving in a circular path with uniform speed, then –
- Athe acceleration is directed towards its center
- Bvelocity and acceleration are perpendicular to each other
- Cspeed of the body is constant but its velocity is varying
- ✓all the above
Answer: D.
View full solution →A constant force is acting on a particle and also acting perpendicular to the velocity of the particle. The particle describes the motion in a plane. Then –
- Aangular displacement is zero
- Bits velocity is zero
- Cit velocity is constant
- ✓it moves in a circular path
Answer: D.
View full solution →The range of the projectile depends –
- AThe angle of projection
- BVelocity of projection
- Cg
- ✓all the above
Answer: D.
View full solution →At the highest point of oblique projection, which of the following is correct?
- Avelocity of the projectile is zero
- Bacceleration of the projectile is zero
- ✓acceleration of the projectile is vertically downwards
- Dvelocity of the projectile is vertically downwards
Answer: C.
View full solution →Is the acceleration of a particle in circular motion not always towards the center. Explain.
A gunman always keep his gun slightly tilted above the line of sight while shooting. Why?
A person sitting in a train moving at constant velocity throws a ball vertically upwards. How will the ball appear to move to an observer.
- Sitting inside the train
- Standing outside the train
The greatest height to which a man can throw a stone is h. What will be the greatest distance upto which he can throw the stone?
What will be the effect on horizontal range of a projectile when its initial velocity is doubled keeping angle of projection same?
Derive the relation between Tangential acceleration and angular acceleration.
Shows that the path of horizontal projectile is a parabola and derive an expression for
1. Time of flight
2. Horizontal range
3. resultant relative and any instant
4. speed of the projectile when it hits the ground?
1. Time of flight
2. Horizontal range
3. resultant relative and any instant
4. speed of the projectile when it hits the ground?
Explain the concept of relative velocity in one and two dimensional motion.
What are the different types of vectors?
Explain the types of motion with example.
A car moving along a straight highway with speed of 126 km h 1 is brought to a stop within a distance of 200 m. What is the retardation of the car (assumed uniform) and how long does it take for the car to stop?
At what angle do the two forces $( P + Q )$ and $( P - Q )$ act so that the resultant is $\sqrt{3 P^2+Q^2}$ ?
View full solution →The acceleration of a particle in $m s^2$ is given by $a=3 t^2+2 t+2$, where time $t$ is in second. If the particle starts with a velocity $v =2 ms ^{-1}$ at $t =0$, then find the velocity at the end of $2 s$.
View full solution →For an object projected upward with a velocity $v _0$, which comes back to the same point after some time, draw
(i) Acceleration – time graph
(ii) Position – time graph
(iii) Velocity time graph
View full solution →(i) Acceleration – time graph
(ii) Position – time graph
(iii) Velocity time graph
The velocity time graph for a particle is shown in figure. Draw acceleration time graph from it.
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