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## Homework Statement

An object is thrown downward with an initial (t = 0) speed of 10 m/s from a height of 60 m above the ground. At the same instant (t = 0), a second object is propelled vertically upward from ground level with a speed of 40 m/s. At what height above the ground will the two objects pass each other?

first object

t0 = 0

V = 10 m/s

H = 60

Second object

t0 = 0

V = 40 m/s

H = 60

## Homework Equations

d = Vi . t + 1/2 a t2

## The Attempt at a Solution

This equation doesn't see me to work since we need to find at which height objects will pass