louisdragon41
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1. using graph A calculate the average speed of the object in motion from 12s to 20s. Explain your calculation.


2.compare graph A and B, which graph shows a greater velocity at 5s and 10s
describe how you know.

1 using graph A calculate the average speed of the object in motion from 12s to 20s Explain your calculation 2compare graph A and B which graph shows a greater class=

Respuesta :

aruniatapattu

in s-t graphs,tanα=distance /time

200/8=28ms^-1

in graph A, in 5s-25ms^-1

in 10s-0 ms^-1

in graph B.,in 5s-4ms^-1

in 10s-20ms^-1

so in 5s A has greatest velocityin 10s B has greatest velocity

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