A Projectile of Mass M Is Propelled from Ground Level

question 32

Multiple Choice

A projectile of mass m is propelled from ground level with kinetic energy of 450 J.At the exact top of its trajectory,its kinetic energy is 250 J.To what height above the starting point does the projectile rise?

• A) m
• B) m
• C) m
• D) m
• E) m