Convert 12.8 km to cm

• 1280000

• 12800

• 12800000

• 1280

What does this graph represent?

• Acceleration

• Not moving

• Constant speed

What does this graph represent?

• Constant speed

• Accelerating

• Not moving

• Decreasing speed

Tags

NGSS.MS-PS3-1

What does this graph represent?

• Accelerating

• Not moving

• Constant speed

• Decreasing speed

Tags

NGSS.MS-PS3-1

Vectors have

• magnitude and direction

• only magnitude

• only time

• time and direction

Tags

NGSS.HS-PS3-5

Scalars have

• only magnitude

• magnitude and direction

• only time

• time and direction

Tags

NGSS.MS-PS3-1

Change 5,676,000,000 to scientific notation

• 5.67 x10⁹

• 5.67 x10⁶

• 5.67 x10⁸

• 5.67 x10¹⁰

A cheetah runs at a straight line decreasing its speed from 70 m/s to 53 m/s in 5 seconds. Calculate the cheetahs acceleration.

• 3 m/s²

• 3.4 m/s²

• 4 m/s²

• 3.6 m/s²

Answer explanation

Tags

NGSS.HS-PS2-1

Match the following vectors to the correct answer

B ​ (a)  

C ​ (b)  

• Centripetal acceleration
• Tangential velocity
• Tangerine velocity
• central petal velocity

• 70 m/s²

• 72 m/s²

• 68 m/s²

• 0 m/s²

Tags

NGSS.HS-PS2-1