Horizontal projectile

Which best describes the horizontal motion of a projectile, assuming no air resistance?

• Acceleration of -10 m/s²

• Acceleration of -5 m/s²

• An increasing acceleration every second

• Constant velocity

Tags

NGSS.HS-PS2-1

Which best describes the vertical motion of a projectile, assuming no air resistance?

• Acceleration of -10 m/s²

• Accelerations of -5 m/s²

• An increasing acceleration every second

• Constant velocity

Tags

NGSS.HS-PS2-1

A marble traveling at 3 m/s rolls off the edge of a 1 m high table. What is its initial vertical speed?

• -10 m/s

• 0 m/s

• -3 m/s

• -15 m/s

Tags

NGSS.HS-PS2-1

A player kicks a ball across the field. At the very top, about what is the acceleration of the ball?

• It is accelerating to the right

• There is no acceleration at the top

• 10 m/s² up

• 10 m/s² down

Tags

NGSS.HS-PS2-1

A cannon is fired horizontally from a 5.0 m tall tower. How much time will it take until the projectile hits the ground?

• 0.5 s

• 1.0 s

• 2.0 s

• 5.0 s

Tags

NGSS.HS-PS2-4

As a ball rolls across a table it has a constant horizontal velocity. When the ball rolls off the table the horizontal velocity...

• Stays the same
• Accelerates at -9.8 m/s²
• Accelerates at an unknown value
• Becomes zero

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

A ball rolls off of a horizontal table and falls to the ground. The instant the ball leaves the table its vertical velocity is...

• -9.8 m/s

• -5 m/s

• 0m/s

• 9.8 m/s

A ball is rolling across a table with a horizontal velocity of 2m/s. It rolls off a table that's 2m tall. How far does the ball land away from the table (Δx)?

• 1.26 m

• 4.13 m

• 0.98 m

• 3.45 m

What is the height of a horizontal projectile if it takes 3 seconds to hit the ground?

• 3.00 m
• 29.4 m
• 44.1 m
• 88.3 m

A ball is thrown horizontally from a height of 1.5 m and lands 5 m away. What is the time of flight of the ball?

• .31 sec

• .55 sec

• .176 sec

• .30 sec