6.5.4.1.2 speed

Question 1

Is speed a vector or scalar quantity?

Answer 1

speed is a scalar quantity as it does not involve direction.

Question 2

Is the speed of a moving object constant or not?

Answer 2

No. It is rarely constant, when people walk, run or travel in a car their speed is constantly changing

Question 3

What are the factors in which determine the speed at which a person may walk run or cycle?

Answer 3

-age
-terrain
-fitness and distance being travelled

Question 4

What is the average m/s for walking?

Answer 4

1-1.5 m/s

Question 5

What is the average m/s for running?

Answer 5

3 m/s

Question 6

What is the average m/s for cycling?

Answer 6

6 m/s

Question 7

What is the typical value of the speed of sound in air?

Answer 7

330 m/s

Question 8

What is the typical value of the speed of light?

Answer 8

330,000,000 m/s

Question 9

What is the equation which relates components; Distance Travelled, Speed and Time

Answer 9

distance travelled = speed x time
(S = v x t )

Question 10

Distance is measured in?

Answer 10

metres - m, (s)

Question 11

Speed is measured in?

Answer 11

metres per second - m/s
Or others (m/ph km/ph etc)
(V)

Question 12

Time is measured in?

Answer 12

seconds - s -
Or others (mins, hours etc)
(T)