The acceleration-time graph for a particle moving along x-axis is shown in figure. If the initial velocity of particle is –5 m/s, the velocity at t = 8 s is

(1) +15 m/s (2) +20 m/s (3) – 15 m/s (4) –20 m/s

Question

The acceleration-time graph for a particle moving along
x-axis is shown in figure If the initial velocity of
particle is –5 m/s, the velocity at t = 8 s is

(1) +15 m/s (2) +20 m/s (3) – 15 m/s (4) –20 m/s

Decoder_2 · Accepted Answer

Dear student,v=u+at from first equation of motionv=-5+(0)8v=-5m/s at t=6secondfor next 2secu=-5m/st=2sa=-10m/s2v=-5+(10)×2v=15m/shence velocity after t=8sec will be 15m/sRegards

The acceleration-time graph for a particle moving along x-axis is shown in figure. If the initial velocity of particle is –5 m/s, the velocity at t = 8 s is (1) +15 m/s (2) +20 m/s (3) – 15 m/s (4) –20 m/s

The acceleration-time graph for a particle moving along x-axis is shown in figure. If the initial velocity of particle is –5 m/s, the velocity at t = 8 s is

(1) +15 m/s (2) +20 m/s (3) – 15 m/s (4) –20 m/s