Question

i) A ball thrown from the top of a tower with a speed of 20m/s. After 8 second it reaches the

ground. What is the height of the tower?

ii) A particle has a displacement of x = 2t

2

+ 3t + 5 m. Find its velocity and acceleration at t= 2s.​

Answer 1

Answer:

hii is ______party of the universe and hai ki explain the photosynthesis of h the