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Jill rides a train for 2/3 of an hour and goes 38 miles. How many miles per hour is her train going?

Sagot :

rafikiedu08

The train in which Jill is travelling is going at the speed of 57 miles per hour.

Distance travelled = 38 miles

Time taken = 2/3 hour

Speed at which the train travels = 38 ÷ 2/3 = 57 miles per hour

Hence the train travels at the speed of 57 miles per hour

Scalar numbers represent the magnitude of an object's position change over time or the amount of position change per unit of time.

The average speed of an object in a given time interval is just the distance travelled divided by the duration of the interval.

Average speed, as opposed to instantaneous speed, is defined as the total distance travelled divided by the time interval.

Speed just describes how rapidly an object moves, whereas velocity describes how fast and in which direction the thing moves.

A car's speed has been stated if it is said to move at 60 km/h. However, if the car is claimed to be travelling north at 60 km/h, its velocity has now been given.

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