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Earn +20 ptsQ: What measurements do you need to calculate the speed of a train?
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How many minutes in 53 kilometers?
You need speed to calculate this. Distance is speed / time
What measurements do you need to calculate density?
You need the mass (m) and volume (v) of the object. The density (d) is then given by:d = m / v
How many minutes is 105 miles?
Need average speed to calculate.
How do you calculate exact speed?
You can calculate a speed by dividing a distance by the time it takes to cover that distance. If you want the instantaneous speed (for situations of variable speed), you need to calculate the distance and time for a fairly short time interval (ideally, the limit, when the time approaches zero).
How many laps are in 130 secends?
Need average speed and distance to calculate.
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