What is the formula to calculate speed?

• v = t/d

• v = d/t

• v = d × t

• S = t × d

What does this graph represent?

• Constant Speed
• Acceleration
• Deacceleration
• Not moving

Tags

NGSS.MS-PS3-1

How much time would it take for the sound of thunder to travel 8 kilometres if sound travels a speed of 330 metres per second?

• 0.0242 s

• 0.0413 s

• 24.2 s

• 41.3 s

Acceleration occurs whenever an object _________.

• moves

• changes position

• changes direction

• has a change in velocity

According to the graph how far does the person travel in the first 5 seconds?

• 2 m
• 10 m
• 0 m
• 5 m

Tags

CCSS.HSF.IF.B.4

What is happening at A?

• Standing still
• Accelerating
• Slower steady speed; moving away from the starting position
• Steady speed; returning to start position

Tags

NGSS.MS-PS3-1

When are you undergoing an acceleration in a car?

(There may be more than one correct answer)

• speed up

• slow down

• make turns

Alan travels 100 km in 5 h. Find his average speed in km/h.

• 0.02

• 10

• 20

• 500

You are travelling at 75 km/h. You have to be in school in 15 min or you will be late. You have 12 km to travel. Will you make it to school on time?

• Yes

• No

What is happening in this graph from point B to C?

• The object is going down a hill.
• The object is returning to its starting location.
• The object is slowing down.
• The object is staying still.

Tags

CCSS.HSF.IF.B.4