Find the Vertical Velocity (Vy) where the initial velocity (Vi) is 10 m/s at an angle of 45 degrees.

Find the Vertical Velocity (Vy) where the initial velocity (Vi) is 10 m/s at an angle of 30 degrees.

Find the Vertical Velocity (Vy) where the initial velocity (Vi) is 10 m/s at an angle of 60 degrees.

Where is V_y the lowest?

Where is V_y the highest?

In the absence of air resistance, the angle at which a thrown ball will go the farthest is?

• 90°

• 30°

• 60°

• 45°

A person throws a marble straight up into the air, releasing it a short height above the ground and catching it at that same height. If air resistance is negligible, which of the following graphs of position y versus time t is correct for the motion of the marble as it goes up and then comes down?

• 
• 
• 
• 

A soccer ball with an initial velocity of 10 m/s is kicked at a 45-degree angle above the horizontal.

How long does it take for the ball to reach its maximum height?

• 7.07 s

• 0.71 s

• 1.14 s

• 14.13 s