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| Pregunta | Respuesta |
| work out how far a group of students walking at a average speed of 3.6km/h would travel in 2hrs. | S = d/t =3.6 * 2 =7.2 km |
| In terms of pressure, explain why a tractor has large tires | because as there is a large surface area, it means that not a lot of pressure will be needed so it can move easily in soil. |
| answer the following questions on the distance-time graph to the left: | |
| a) name the type of speed b) what is the acceleration? | a) decreasing speed b) a = change in speed/change in time = (30 - 4)/(5-1) = 6.5 m/s |
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