2nd Six Weeks

If you throw a baseball straight up, what is its velocity at the highest point?

• 9.8 m/s²

• 9.8 m/s

• 0 m/s²

• 0 m/s

Tags

NGSS.MS-PS2-4

If you throw a baseball straight up, what is its acceleration at the highest point?

• 9.8 m/s²

• 9.8 m/s

• 0 m/s²

• 0 m/s

What is the vertical acceleration of a projectile?

• 0 m/s²

• 9.8 m/s² down

• 4.9 m/s² down

• 12 m/s down

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

When a ball is projected horizontally, what is its initial vertical velocity?

• 10 m/s

• 0 m/s

• not enough information given

• the velocity given in the problem

As a projectile moves through the air, the motion on y axis is best described as ____,

• free fall acceleration

• uniform motion

• varying speeds

• constant velocity

What is the horizontal acceleration of a projectile?

• 0 m/s²

• -9.8 m/s²

• -15 m/s²

• - 20 m/s

What can you say about motion in the x and y direction?

• x is dependent on y

• y is dependent on x

• They are dependent on each other.

• They are independent of each other.

What variable letter is range?

• X

• Y

• V_x

• V_y

What variable letter is altitude?

• X

• V_y

• V_x

• Y

Does horizontal velocity change if you ignore air resistance?

• Yes

• No