Question 1 :
During an accelerated motion of a particle (initial velocity of particle is zero)

Question 2 :
A particle is moving on a circular path of radius {tex} \frac { 100 } { \sqrt { 19 } } \mathrm { m } {/tex} in such a way that magnitude of its velocity varies with time as {tex} v = 22 t ^ { 2 } + t , {/tex} where {tex} v {/tex} is velocity in {tex} \mathrm { m } / \mathrm { s } {/tex} and {tex} t {/tex} is time in {tex} s . {/tex} The acceleration of the particle at {tex} t = 2 {/tex} s is

Question 3 :
A particle is projected vertically upward with a speed of 100 m/s. The distance travelled by the particle in first fifteen seconds is (<em>g</em> = 10 m/s²)

Question 4 :
A particle is projected with a speed of 40{tex} \mathrm { m } / \mathrm { s } {/tex} at an angle of {tex} 60 ^ { \circ } {/tex} with the horizontal. At what height speed of particle becomes half of initial speed {tex} \left( g = 10 \mathrm { m } / \mathrm { s } ^ { 2 } \right) . {/tex}

Question 5 :
Two bodies are projected at angles θ and (90 – θ) to the horizontal with the same speed. The ratio of their times of flight is

Question 6 :
A body is projected such that its KE at the top is 3/4th of its initial KE. What is the angle of projectile with the horizontal?

Question 7 :
Which of the following correctly describes the centripetal acceleration vector for a particle moving in a circular path ?

Question 8 :
Which of the following sets of factors will affect the horizontal distance covered by an athlete in a long-jump event

Question 9 :
A body is projected horizontally with speed 20 m/s. What will be its speed nearly after 5 sec?

Question 10 :
A pebble is thrown vertically upwards from a bridge with an initial velocity of 10 ms^–1. It strikes water after 5s. The height of the bridge is (<em>g</em> = 10 m/s²)