Projectile Motion and Kinematics

These flashcards cover key concepts from the lecture on projectile motion and kinematics, focusing on the properties and calculations involved with projectiles.

Projectiles are broken down into their vertical and horizontal components to __.

Help predict their motion and calculate outcomes.

The acceleration of gravity is __ m/s².

9.81 m/s².

The three factors that influence a projectile's trajectory are __, __, and __.

Projection angle, speed, relative projection height (RPH).

Projection speed is the most influential factor on and .

Height and distance.

Once a projectile is airborne, it is affected by and .

Gravity and air resistance.

The vertical component of a projectile is constantly changing due to __.

Gravity.

Radial acceleration is directed toward the __.

Center.

Tangential acceleration is directed along the __ of the path.

Tangent.

Zeke's swimming velocity across the river is __ m/s perpendicular to the current.

3 m/s.

In Zeke's problem, the resultant velocity results from using the __ theorem.

Pythagorean theorem.

The horizontal component of a projectile kicked at an angle can be calculated using _.

Cosine of the angle.

The time at which the vertical velocity of a projectile drops to zero is at the __.

Apex.

The total acceleration on a ball can be found using __ to combine radial and tangential accelerations.

Pythagorean theorem.

The formula used to find the height of a projectile is __.

0 = V₁² + 2ad.

Displacement is measured as the __ between starting and ending points.

Straight line.

If linear velocity is constant, then its acceleration is __.

0.

Angular displacement is measured in __.

Degrees.

Linear velocity is the rate of change of __.

Position.

To find the horizontal range of a projectile, we use __.

Horizontal velocity and time.

Projectile motion is defined as the motion of a body that moves through the air __.

Unassisted.

Max height of a projectile is influenced by __ acceleration.

Gravity (-9.81 m/s²).