Projectile Motion

True

A horizontally launched projectile will hit the ground at the same time as a freely falling object dropped from the same height.

False

A jet plane and a helicopter are examples of projectiles.

True

A launched rocket is an example of a projectile.

False

A powered rocket is an example of a projectile.

True

A thrown ball and a fired bullet are examples of projectile motion.

horizontal

At the very top of a projectile's path, it only has _______ velocity.

False

During projectile motion, the motion in the horizontal direction is affected by gravity

True

During projectile motion, the motion in the vertical direction is affected by gravity

90 degrees

In the absence of air resistance, the angle at which a thrown ball will have the greatest height is _____ degrees.

45 degrees

In the absence of air resistance, the angle at which a thrown ball will have the greatest range is _____ degrees.

False

In the absence of air resistance, the vertical component of a projectile's velocity doesn't change at the projectile moves.

complementary (the angles add up to 90 degrees)

Launches from ________________ angles give the same range.

independent

The horizontal and vertical components of a projectile's velocity are ___________ of each other because they have not effect on each other.

True

The horizontal component of a projectile's velocity remains the same throughout the flight.

range

The horizontal distance that a projectile travels

constant

The horizontal velocity of a projectile is _____________, meaning it has no (zero) acceleration.

Parabola

The shape of the path of a projectile

half

The time it takes a projectile launched from the ground to reach maximum height is ________ the time it takes for the whole flight.

the same as

The time it takes a projectile launched from the ground to reach maximum height is ____________ the time it takes to go from maximum height back down to the ground.

vertical component ( y component)

The time of flight of a projectile depends upon the ____ initial velocity.

not travel as far or as high.

When a projectile is affected by air resistance, the projectile will ___________________.

lower, shorter, and for less time

When you factor in air resistance, the projectile will travel _____________________.

trajectory

the actual path along which the projectile travels