Question

Question #63c0c

Answer 1

1.02 seconds

Explanation:

Solving the projectile motion equation for time. At its maximum height a vertically moving object will have zero velocity, before it accelerates back to earth.
`t = (((v_(y0) – v_y))/g)` ; `t = ((10 – 0)/9.8)` ; t = 1.02 seconds