- #1

v1ru5

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## Homework Statement

A projectile is fired with an initial speed v at an angle 40 degrees above the horizontal from a height of 40m above the ground. The projectile strikes the ground with a speed of 1.4v. Find v.

## The Attempt at a Solution

All I could find i Vinitialx=vcos40 and Vinitialy=vsin40 and everytime I try to use any equation, time is always an issue since it is not given. Any help would be appreciated.