2D Motion

Neglecting air resistance, what it the horizontal velocity (V_X) at A?

• 5 m/s

• 0 m/s

• -10 m/s

• -30 m/s

What is the acceleration at A, and in what direction?

• 5 m/s²
• 0 m/s²
• -10 m/s²
• -30 m/s²

What would the actual speed be at F?

• 30.4 m/s
• 30 m/s
• 10 m/s
• 0 m/s

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

• True
• False

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

If a bullet is horizontally shot at the same moment another bullet is dropped from the same height, which will hit the ground first?

• Shot Bullet
• Dropped Bullet
• Hit at Same Time

If a bullet is horizontally shot at the same moment another bullet is dropped from the same height, which has a larger vertical speed when they hit the ground?

• Shot Bullet
• Dropped Bullet
• Same for Both

A vector is a quantity that has

• magnitude and time
• time and direction
• magnitude and direction
• direction and rhythm 

An object that is launched into the air.

• Drag
• Mass, with units
• Apogee
• Projectile

The U-shaped path a projectile follows.

• Vertical

• Horizontal

• Parabola

• Drag