Christmas Dynamics

What is the symbol used for speed?

• s

• v

• F

• t

What are the units of speed?

• m/s²

• ms

• m/s

• m

What are the units of distance?

• metres

• cm

• mm

• m/s

What is the relationship between speed, distance and time?

• d = v t

• v = d t

• v = f λ

Santa's sleigh travels at a speed of 30m/s for 10mins. How far has Santa travelled in this time?

• 18000m

• 3m

• 300m

• 18000

Which 80s band sang "Last Christmas"?

• Abba

• Miley Cyrus

• One Direction

• Wham

What would you need to measure the average speed of a trolley?

• Metre stick, light gate and electronic timer

• Metre stick and a stopclock

• 2 light gates and an electronic timer

• Nothing - just watch and count

What did your true love send to you on the First Day of Christmas?

• Three french hens

• Two turtle doves

• A calculator

• A partridge in a pear tree

What is instantaneous speed?

• The speed over the whole journey

• The speed of the object at an instant in time

• None of the above

What would you need to measure instantaneous speed?

• A light gate connected to an electronic timer to measure t, and a ruler to measure the distance of the card d.

• A stopclock to measure t and a metre stick to measure d.

• 2 light gates and a double mask

• Good luck