P9- motion 🚲

Question 1

What’s speed ?

Hint: known time period

Answer 1

• speed, is the distance travelled in a known time period. [eg miles per hour or kilometres per hour.]

Question 2

Fill in the gaps: The speed of an object, tells us the ________ the object travelled in a _____ time

Hint: not known

Answer 2

• The speed of an object, tells us the distance the object travelled in a given time

Question 3

What quantity is speed ? Explain your answer

Answer 3

• speed is a scalar quantity because, it doesn’t involve direction
• ; it has a magnitude [size]- therefore it’s a scalar quantity, not a vector quantity

Question 4

Compared to an older or unfit person, what will a younger and fitter person be able to do ?

Hint: achieve a…

Answer 4

• compared to an older or unfit person, a younger and fitter person, will generally be able to achieve a faster speed

Question 5

What else is speed dependent on ?

Hint: terrain- example

Answer 5

• although speed is dependent on age and fitness, speed can also depend on the terrain.
• For example, people move more rapidly on flat ground, compared to moving uphill.

Question 6

What’s a third factor speed is dependent on ?

Hint: travelled

Answer 6

• the distance travelled- people running a long distance, tend to run faster at the start, when they’re less tired

Question 7

What are the three factors, speed is dependent on ?

Answer 7

• age and fitness
• the terrain.
• and the distance travelled.

Question 8

What’s the typical speed for a normal walking speed ?

Answer 8

• the typical speed for a normal walking speed, is 1.5m/s

Question 9

What’s the typical speed for a running speed ?

Answer 9

• the typical speed for a running speed, is 3m/s

Question 10

What’s the typical speed for a cycling speed ?

Hint: x2 of the running speed

Answer 10

• the typical speed for a cycling speed, is 6m/s

Question 11

What’s the typical speed for a rabbit ?

Answer 11

• the typical speed for a rabbit, is 17m/s and 37mph

Question 12

What’s the typical speed for an olympic sprinter ?

Answer 12

• the typical speed for an olympic sprinter, is 11m/s and 25mph

Question 13

What’s the typical speed for the international space station ?

Hint: 76… m/s

Answer 13

• the typical speed for the international space station, is 7660 m/s and 17,500 mph

Question 14

What’s the typical speed for a snail ?

Answer 14

• the typical speed for a snail, is 0.0028m/s and 0.006 mph

Question 15

What’s the typical speed for a car on the motorway ?

Hint: 30-40 m/s

Answer 15

• the typical speed for a car on the motorway, is 31m/s and 70mph

Question 16

What’s the typical speed for a cheetah ?

Hint: 20-30 miles

Answer 16

• the typical speed for a cheetah, is 28 miles and 62 mph

Question 17

Fill in the gaps: the typical speed for a car on the main road, __m/s.

Answer 17

• the typical speed for a car on the main road, is 13m/s

Question 18

What’s the typical speed for a fast train in the UK ?

Answer 18

• the typical speed for a fast train in the UK, is 50m/s

Question 19

What’s the typical speed for a cruising aeroplane?

Hint: 200-300 m/s

Answer 19

• the typical speed for a cruising aeroplane, is 250m/s

Question 20

What’s the typical speed, for the speed of sound in the air ?

Hint: begins with a 3

Answer 20

• the typical speed, for the speed of sound in the air, is 330m/s and 743 mph

Question 21

Fill in the gaps: the typical speed, for the speed of sound in steel, is 5100m/s and __,___ mph

Answer 21

• the typical speed, for the speed of sound in steel, is 5100 m/s and 11,408 mph

Question 22

How can the speed of sound in air vary ?

Hint: wamer 🆚️…

Answer 22

• the speed of sound in air vary because, sound travels faster on warmer days, than cooler ones

Question 23

The speed of a moving object is rarely constant. Give an example of this. [1]

Hint: a car slows down and…

Answer 23

• a car slows down and speeds up, at different points during a journey