Question

*TASK - 1* Collect the details of parents, grand parents and great grand parents. Then complete the family tree figure given in your text book
*TASK - 2* Take a photograph of your family and introduce them to your friends. Make a video of this introduction and send it to your teacher.
*TASK 3* Write the main points of the story part and write a short summary of the story part and send.​

Answer 1

Answer:

Given,

u=18km/h=60×6018×1000=5m/s

v=36km/h=60×6036×1000=10m/s

t=5sec

acceleration, a=?

1st equation of motion,

v=u+at

10=5+5a

5a=5

a=55=1m/s

The correct option is A.