Density & Motion Word Scramble
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Question | Answer |
What is speed? | The distance travelled per unit time |
What are the standard units of speed? | metres per second (m/s) |
If a car travels a distance of 60km in 2 hours, calculate the average speed of the car. | 30km/h |
If a runner runs at a speed of 4m/s, what distance would he travel in 8 seconds? | 32m |
How long would it take a walker to travel a distance of 100km, walking at a speed of 2km/h? | 50hours |
What is acceleration? | The rate of change of speed. |
What are the standard units of acceleration? | metres per second squared (m/s2) |
If a runner starting from rest reaches his maximum speed of 12m/s in 4 seconds, what is his acceleration? | 3 m/s2 |
If a car moving at a speed of 40m/s brakes suddenly down to a speed of 10m/s in a time of 3 seconds, calculate the cars deceleration. | -10m/s2 |
What is velocity? | The speed and the direction in which something is moving. |
What is density? | The mass per unit volume of a substance. |
What are the standard units of density? | (kilogrammes per metre cubed) kg/m3 |
What is the density of copper if 223g of it occupies a space of 25cm3? | 8.91g/cm3 |
If the density of oil is 0.8g/cm3, what volume would 20g of it occupy? | 25cm3 |
If a gradutated cylinder is filled with syrup at the bottom, water in the middle and oil at the top, which of the three liquids has the lowest density? | The Oil |
Created by:
joeykenn
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