Question

This is class 9 th worksheet pls answer fast as I should submit to my teacher I will mark as brainlesttt

Answer 1

Answer:

..

Explanation:

1) a) distance = 440/7 cm

b) speed = 22/21 cm/sec

c) displacement = 20cm

d) average velocity = 1/3 cm/ sec

2) using ,

v= u+ at

0 = u - (2.5 × 10)

so, u (initial velocity) = 25 m / sec.