Question

19. A particle starts moving in a straight line with initial
velocity 4 m/s and constant acceleration 2 m/s2.
(i) After how much time will the velocity of particle be
12 m/s?
(ii) How much distance will the particle cover in first
three seconds.
(iii) How much distance will the particle cover to
acquire speed 8m/s.
Ans. (i) 4 s (ii) 21m (iii) 12m.​

Answer 1

Answer:

1.ans 4sec

2.ans 5m

3. ans 12m

Explanation:

1. v=u+at

2. s=ut+½at^2

3. v^2=u^2+2as