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## Homework Statement

launch angle of

*θ*=41.86°. The distance to the wall is

*d*=11.06 m, and it strikes the wall with speed that is a fraction

*f*=0.925 of the initial speed, while it is still gaining height (i.e., it has not the highest point of the trajectory). What is the initial velocity? Express your answer in m/s.

## Homework Equations

## The Attempt at a Solution

V(initial)=v(final)/0.925