A ball is thrown at an original speed of 6.0 m/s at an angle of 30^o above the horizontal. The speed of the ball when it returns to the same horizontal level is A) 12 m/s. B) 6.0 m/s. C) 3.0 m/s. D) 9.8 m/s. E) 4.9 m/s.

Question

Quizplus · Accepted Answer

The speed of the ball when it returns to the same horizontal level is the same as its initial speed due to the conservation of energy, assuming no air resistance.

A Ball Is Thrown at an Original Speed of 6