Question

Solve this q given in pic
with full step only in notebook and give pic

Answer 1

Answer:

5 meter and 1 second .

Explanation:

Since the initial velocity u = 10 m/s and final velocity is 0 m/s and during upward motion g = -10 m/s and we let that the h be the maximum height attained by the ball.

So, v^2 = u^2 - 2gh so on putting the values and changing the sides we will get that 10^2 - 0^2 = 2*10*h so, the value of the maximum height will be 5 m.

Now we let that t is the time taken by the ball to reach the height of 5 m, so applying equations of motion we will get that :-

v = u + gt so, 0 = 10 +(-10)t in which the value of time taken will be 1 second to reach the highest point.

Answer 2

what is reatardation....

Retardation is the act or result of delaying; the extent to which anything is retarded or delayed; that which retards or delays.