A Ball Is Thrown Up in the Air with a Velocity

question 34

Multiple Choice

A ball is thrown up in the air with a velocity v at an angle 45 ^$\circ$ with respect to the ground.At the very top of its motion the y-component of the acceleration will be

• A)zero.
• B)-g
• C)g.
• D)g/2.
• E)-g/2.