2D Motion Weekly Quiz

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-PS2-2

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

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

As an object travels through the air, its vertical velocity 

• changes continuously
• remains the same

Tags

NGSS.MS-PS2-2

As an object travels through the air, its horizontal velocity

• changes continuously

• remains the same

Two objects of the same mass are launched from the ground. Object A has a launch angle of 45, while Object B has a launch angle of 65. Which object will hit the ground first?

• A
• B
• Both objects hit the ground at the same time
• unable to determine with the given information

What is a projectile?

• any object that is thrown
• an object that has multiple forces acting upon it
• an object that has one force of gravity acting upon it
• none of the above

Tags

NGSS.HS-PS2-1

_{Assuming the launch velocity is the same, what is the only thing that determines how long a horizontally launched projectile stays in the air?}

• the weight of the object

• the height of the object

• the height at which it was launched

• the distance of the projectile

Which statement describes a vector?

• It has magnitude but no direction
• It has direction but no magnitude
• It has both direction and magnitude
• It has constant magnitude but no
   direction

Tags

CCSS.HSN.VM.A.1