A projectile of mass 0.787 kg is shot from a cannon, at height 7 m, as shown in

Question

A projectile of mass 0.787 kg is shot from a cannon, at height 7 m, as shown in the figure, with an initial velocity vi having a horizontal component of 6.4 m/s.
A projectile rises to a maximum height of change in y above the end of the cannons barrel and strikes the ground a horizontal distance change in x past the end of the cannons barrel
find the vertical component of the initial velocity at the end of the cannnons barrel where the projectile begins its trajectory. the acceleration of gravity is 9.8 m/s^2. Answer in units of m/s.

Explanation / Answer

y= vertical component y=mx + b y=(6.4m/s)x + (7m)

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