Question

Mr. Sam took 1 h 15 min to drive from his home to office. If the distance between his home and office was 50 miles, at what average speed did Mr. Sam drive? ___ mph

Answer 1

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Answer 2

The average speed of Mr Sam is 40 mph.

The given parameters;

time of the motion from home to office = 1 hr 15 min = 1.25 hr

the distance between the home and office = 50 miles

The average speed of Mr Sam is the ratio of the total distance traveled by Mr Sam to the total time of the motion.

The value of the average speed is calculated as follows;

$v = \frac{total \ distance}{total \ time} \\\\v = \frac{50 \ miles}{1.25 \ hr} \\\\v = 40 \ miles \ per \ hour$

Thus, the average speed of Mr Sam is 40 mph.

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