Projectile MotionProjectile flights in the
Chapter 13, Problem 23E(choose chapter or problem)
Problem 23E
Projectile Motion
Projectile flights in the following exercises are to be treated as ideal unless stated otherwise. All launch angles are assumed to be measured from the horizontal. All projectiles are assumed to be launched from the origin over a horizontal surface unless stated otherwise.
Firing golf balls A spring gun at ground level fires a golf ball at an angle of 45°. The ball lands 10 m away.
a. What was the ball’s initial speed?
b. For the same initial speed, find the two firing angles that make the range 6 m.
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