Question

7. Draw the shape of the distance-time graph for uniform and non-uniform motion of object. A bus of starting from rest moves with uniform acceleration of 0.1 m/s2 for 2 minutes. Find (a) speed acquired. (b) distance traveled

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Answer 1

Answer:

7. Shape of uniform acceleration= straight line

shape non uniform acceleration is curved line

(a) t=2mins=120,

a=0.1m/ssq,

u=0,

speed=?

a=(v-u)/t

0.1=v-0/120

120*0.1=v

12=v, v=12m/s=speed

s=ut+1/2*at*t

s=0+1/2*0.1*120*120

s=1/2*1440

s=720, s=distance travelled=720m