Question

SOLVE THIS !!!!!!!!!!!!​

Answer 1

SOLUTION ::

A.

The bus is accelerating when the slope is positive .

B.

The bus is decelerating when the slope is negative.

C.

Distance covered during acceleration

= 1/2 × 10 × 40 = 200 metre

D.

Distance cover during deceleration

= 1/2 × (20-10)× 40 metre = 1/2 × 10 × 40 = 200 metre

E.

Average speed in the entire journey is

= Total distance travelled / Total time taken

= (200+200) / 20 = 400 /20 = 20 m/s

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