Horizontal Projectiles

A projectile is launched with a horizontal velocity of 20 m/s and an initial vertical velocity of 20 m/s. Which graph correctly shows the horizontal velocity of the projectile over time?

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Tags

NGSS.HS-PS2-1

How is horizontal velocity calculated for a projectile fired at an angle?

• V cos Θ

• V sin Θ

• V tan Ɵ

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

• B

• C

• D

The initial horizontal velocity of a projectile is ____ its final horizontal velocity.

• less than

• equal to

• greater than

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.

Which hits the ground first if they start at the same height: a dropped ball or a ball launched with a

horizontal velocity?

• the launched ball

• the dropped ball

• they both hit at the same time

What happens to the horizontal velocity of a projectile as it travels along the curved path?

• increases

• decreases

• stays the same

• none of these

What do you call the horizontal distance travelled by a projectile?

• path

• trajectory

• range

• parabola

At what point is v_x= 0 m/s?

• A

• B

• C

• D

• None of these points