What is the symbol for time?

• s
• hours
• t
• x

What is the unit for velocity?

• v
• m/s
• x
• m

Tags

NGSS.MS-PS3-1

A cat is chasing a mouse at 5.5 m/s.
What is the "given" here?

• x_f = 5.5 m
• a = 5.5 m/s²
• 5.5 m/s
• v = 5.5 m/s

Tags

NGSS.MS-PS2-1

NGSS.MS-PS3-1

A dog ran 13 m to chase a cat.
What is the "given" here?

• Δx = 13 m
• x_i = 13 m
• v = 13 m/s
• t = 13 m

A car travels 14 meters in 7 seconds. How fast was the car going?

• v = 0.5 m/s
• v = 14.7 m/s
• v = 21 m/s
• v = 2 m/s

A boat is sailing down the river at a constant 5 m/s for 20 seconds. How far did the boat sail?

• Δx = 25 m
• Δx = 100 m
• Δx = 4 m
• Δx = 0.25 m 

A car sped up from a stop sign and reached 10 m/s in 3 seconds. What was the car's acceleration?

• a = 20 m/s²
• a = 3.33 m/s²
• a = 10.3 m/s²
• a = 20 m/s²

Tags

NGSS.HS-PS2-1

An apple falls from a tree. It takes 1.5 seconds to reach the ground. How high did the apple start from?

• Δx = 11.25 m
• Δx = 7.5 m
• Δx = 1.5 m
• Δx = 10 m

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

A car starts at the origin, travels 4 m east, and then 7 m west. What is the cars displacement?

• Δx = 3 m
• Δx = -3 m
• Δx = 12 m
• Δx = -12 m

A bicyclist moves at a constant velocity of 4 m/s. How long will it take to move 36 m?

• t = 3 s
• t = 6 s
• t = 9 s
• t = 12 s