60
Minutes
30
Questions
4 / -1
Marking
Q1. An object is thrown vertically upwards. At its maximum height, which of the following quantity becomes zero?
Momentum
Potential energy
Acceleration
Force
Q2. A ball is projected vertically upward with an initial velocity of at . At , another ball is projected vertically upward with same velocity. At ______ s, second ball will meet the first ball ()
Q3. A body is projected from the ground at an angle of with the horizontal. Its velocity after is . The maximum height reached by the body during its motion is ______ m. (use )
Q4. A fighter jet is flying horizontally at a certain altitude with a speed of . When it passes directly overhead an anti-aircraft gun, a bullet is fired from the gun, at an angle with the horizontal, to hit the jet. If the bullet speed is , the value of will be…….
Q5. A projectile is launched at an angle with the horizontal with a velocity . After , its inclination with horizontal is . The value of will be: ()
Q6. A girl standing on road holds her umbrella at with the vertical to keep the rain away. If she starts running without umbrella with a speed of , the rain drops hit her head vertically. The speed of rain drops with respect to the moving girl is :
Q7. Motion of particle in – plane is described by a set of following equations and . The path of particle will be
Circular
Helical
Parabolic
Elliptical
Q8. A person can throw a ball upto a maximum range of . How high above the ground he can throw the same ball?
Q9. A particle is moving in a straight line such that its velocity is increasing at per meter. The acceleration of the particle is ______ at a point where its velocity is .
Q10. Two projectiles are thrown with same initial velocity making an angle of and with the horizontal respectively. The ratio of their range respectively will be
Q11. A ball is thrown vertically upwards with a velocity of from the top of a tower. The ball strikes the ground after . The height from the ground up to which the ball can rise will be . The value of is ______ (use )
Q12. A ball is projected from the ground with a speed at an angle with horizontal so that its range and maximum height are equal, then ‘’ will be equal to
Q13. Two projectiles thrown at and with the horizontal respectively, reach the maximum height in same time. The ratio of their initial velocities is
Q14. If the initial velocity in horizontal direction of a projectile is unit vector and the equation of trajectory is . The component vector of the initial velocity is ______ . (Take )
Q15. A body of mass is projected at an angle of with the horizontal. The trajectory of the body is observed to pass through a point . If is the time of flight, then the momentum vector, at time , is ______ (Take )
...and 15 more challenging questions available in the interactive simulator.