Projectile Motion and Mixed Review Quadratics

• 10 seconds

• 64 seconds

• 960 seconds

• 2 seconds

• 1024 feet

• 64 feet

• 960 feet

• 2 feet

A ball is thrown into the air with an upward velocity of 64 ft/s. Its height, h, after t seconds is given by the function above.
When did the ball hit the ground?

• 10 seconds

• 2 seconds

• 5 seconds

• 7 seconds

• 0.5 sec, 5 seconds

• 0.5 seconds

• 5 seconds

• never

At what point is v_y= 0 m/s?

• A

• B

• C

• D

• None of these points

What is true about the vertical velocity of a projectile launched horizontally?

• It is initially at its maximum value.

• It increases due to gravity as it falls.

• It remains constant throughout its trajectory.

• It decreases as it falls due to gravity.

What is the horizontal acceleration of a projectile in real life?

• 0 m/s²

• 9.8 m/s²

What is the vertical acceleration of a projectile in real life?

• 0 m/s²

• 9.8 m/s²

An object is projected horizontally from a cliff.  The time it takes to hit the ground is

• more than if it was just dropped

• less than if it was just dropped

• the same amount of time than if it was just dropped

• impossible to determine

A basketball that is thrown to the ring follows a path that is ______________.

• hyperbolic

• parabolic

• linear

• circular