1.

A stone falling freely from the top of atower cover half the height of the tower during last second of it's freefall1-Total time of fall of stone2-height of tower3-velocity of striking the stone on the ground​

Answer»

ANSWER:

HEIGHT,y/2=ut +1/2at square

-y/2=0-1/2 G(t-1) SQ.

y=g(t sq.+1-2T)

Explanation:

time, -y=0- 1/2g t sq.

T=2y/g

=2g(t sq.+1-2t )/g

=2(t sq.+1- 2t )



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