physics and astro

What is the distance light travels in one year?

• Parsec

• Light-year

• Parallax

• milo-mile

Tags

NGSS.HS-PS4-3

What unit of measure of interstellar distance is used by astronomers to measure the distance between stars and between galaxies?

• A. light year

• B. astronomical unit

• C. parsec

• D. mile

What is the closest star to our solar system?

• A. Sirius

• B. Proxima Centauri

• C. Wolf 359

• D. Barnard's Star

How many stars are in the star system that is closest to our solar system?

• A. 1 star

• B. 2 stars

• C. 3 stars

• D. 4 stars

Acceleration is defined as the CHANGE in

• Time it takes for one place to move to another place.

• Velocity of an object.

• Distance divided by the time interval

• Velocity divided by the time interval

What two factors affect an object's kinetic energy?

• Area and volume

• Mass and weight

• Weight and height

• Mass and speed

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

Tags

NGSS.MS-PS2-4

This is a velocity-time graph.  What is the object doing in segment A?

• Positive acceleration
• Negative acceleration
• Constant Velocity
• Not moving

Tags

CCSS.HSF.IF.B.4

This is a velocity-time graph.  What is the object doing in segment C?

• Positive acceleration
• Negative acceleration
• Constant Velocity
• Not moving

Tags

CCSS.HSF.IF.B.4

Calculate the acceleration for segment A.

• 2 m/s²
• 20 m/s²
• -2 m/s²
• 0 m/s²

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6