Plz give me answer of Q5

Plz give me answer of Q5 04. motorcyclist drives A to B with a speed 30 kmih and hack with a speed c' 20 klu'lv I-lind its average speed. QS. Vhe velocity-time graph (Fig. 8.5) shows the motion ofa its •ceclerMion (ii) its velocity and (iii) the disLance covered by the cyclist in I S Q6. Draw a velocity versus time graph ofa stone thrmsn vertically upwards and then coming downwards after attaining the maximum height. (27. An object is dropped from rest at a height of 150 m and simultaneously another object is dropped from rest at a height m. What is the difference in their heights after s if both the objects drop with same accelerations" How does the ditlérenve m heights vary with tinw?

Dear Student

a c c e l e r a t i o n i s g i v e n b y s l o p e o f v - t g r a p h s l o p e i s z e r o s o a = 0 i i) v e l o c i t y i s c o n s \tan t t h a t i s 20 m / s e c i i i) D i s \tan c e i s t h e a r e a u n d e r t h e g r a p h = 20 \times 25 = 500 m R E G A R D S