Projectiles 2

The more mass an object has, the faster it will fall.

• True
• False

Tags

NGSS.MS-PS2-4

What is the horizontal acceleration of a projectile?

• 0 m/s²
• 9.8 m/s²

Tags

NGSS.HS-PS2-1

What is the vertical acceleration of a projectile?

• 0 m/s²
• 9.8 m/s²

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

If I throw a crayon straight up at 12m/s, how fast is its speed when i catch it at the same height?

• 6 m/s
• 12 m/s
• 18 m/s
• 24 m/s

Tags

NGSS.HS-PS2-1

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

Tags

NGSS.MS-PS2-4

At the top of a projectile's path above Earth, the vertical acceleration of an object

• is zero
• goes from positive to negative
• goes from negative to positive
• remains unchanged

Tags

NGSS.HS-PS2-1

What angle will give you the greatest range in the x direction?

• 30 degrees
• 45 degrees
• 60 degrees
• 90 degrees

In the absence of air friction, the horizontal component of a projectile's velocity doesn't change as the projectile moves. 

• True
• False
• Sometimes true
• Sometimes false

A projectile is an object that: 

• is acted upon only by gravity.
• travels at a constant horizontal velocity
• accelerates at -9.8 m/s²
• all of the above

What is the shape of the path of any projectile?

• Hyperbola

• Hypotenuse

• Parabola

• Diagonal