Mastering Projectile Motion

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Questions and Answers

What is the magnitude of the velocity vector in the Y-direction as the ball moves upward?

The magnitude of the velocity vector in the Y-direction decreases as the ball moves upward.

What is the magnitude of the velocity vector in the Y-direction as the ball moves downward?

The magnitude of the velocity vector in the Y-direction increases as the ball moves downward.

What is projectile motion?

Projectile motion is a combination of the horizontal and vertical components of motion.

What is the acceleration of a projectile in the Y-direction?

The acceleration of a projectile in the Y-direction is constant at 9.81 meters per second squared downward. Signup and view all the answers

What is the acceleration of a projectile in the X-direction?

The acceleration of a projectile in the X-direction is zero. Signup and view all the answers

What is true of the motion of a projectile in the X-Direction?

In the X-Direction, the projectile will move at a Constant Velocity. Signup and view all the answers

What is true of the motion of a projectile in the Y-Direction?

In the Y-Direction, a projectile experiences Uniformly Accelerated Motion with an acceleration equal to the negative of the acceleration due to gravity. On Earth, that acceleration would be equal to $-9.81$ meters per second squared. Signup and view all the answers

What are the components of projectile motion?

Projectile motion is made up of a horizontal and a vertical component. The Horizontal Component is Constant Velocity. And the Vertical Component is Uniformly Accelerated Motion. With a downward acceleration that has a magnitude of $9.81$ meters per second squared. Signup and view all the answers

What should the velocity vector components in the X-direction look like for the ball as it moves to the right?

In the X-direction, the ball has a constant velocity to the right, so the vector should have the same magnitude the whole time and be pointed to the right. Signup and view all the answers

What is the magnitude of the downward acceleration in the Y-direction for projectile motion on Earth?

The magnitude of the downward acceleration in the Y-direction for projectile motion on Earth is $9.81$ meters per second squared. Signup and view all the answers