In his haste Wile E. Coyotee rolls a giant Acme Piano filled with expolsives off a cliff a horizontal velocity of 12.0 m/s. He is aiming at a small flightkless fast moving bird whom s standing only 10.0 m from the base of the cliff , but the coyotee overshoots the bird by 5.0 m. how long was the piano in the air for?

how high is the cliff?

what is the vertical speed of the piano an impact?

what is the total speed of the piano on impact?

how fast should he have rolled thte piano?