Question

NEED HELP ASAP! WILL MARK BRAINLIEST! THX!!!
A group of friends are launching water balloons from a cliff 50 meters high. If they are launching the balloons at an initial velocity of 31.8 meters per second, when will the balloon be 30 meters from the ground?
What is the time when the balloon is 30 meters above the ground? ___
(round all answers to 2 decimal places.)

Answer 1

Answer:

2.45 sec

Explanation:

use the equation:

a = (Vfy-Viy) / t a=-10m/sec sq

Viy = 30.1 Sin 24 = +12.24

Vfy = - Viy = -12.24

-10 = (-12.24-12.24)/t

t = 24.48/10= 2.45 sec