Question

A projectile is launched at an angle of 11.0° above the horizontal. What is its initial speed if it hits a target that is located a horizontal distance of 170 m from the launch point and 11.5 m above the launch level?

Step 1

If *v*_{o} is the initial velocity, *θ* is the projection angle, *g *is the acceleration due to gravity, the vertical distance is *y*, horizontal distance is *x*, then the equation of motion of projectile is given by,

Step 2

Substituting the...

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