Let say for every 5 s of time interval the speed will remain constant
so it is given as
v(mi/h) 16 21 23 26 33 30 28
now we have to convert the speed into ft/s as it is given that 1 mi/h = 5280/3600 ft/s
so here we will have
v(ft/s) 23.5 30.8 33.73 38.13 48.4 44 41.1
now for each interval of 5 s we will have to find the distance cover for above interval of time
so here it will cover 1298.1 ft distance in 30 s interval of time
Answer:
Explanation:
Distance is the product of speed and time.
The speed of the car is 75 kilometers per hour. It traveled for 5.5 hours.
Substitute the values into the formula.
Multiply. Note that the hours will cancel each other out.
The car travelled <u>412.5 kilometers.</u>
Answer:
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Answer:
Average speed = 1.3 m/s
Explanation:
Given that a student walks 160 m in 150 s. The student stops for 30 s and then walka 210 m farther in 140 s.
Neglect the time the student stops.
The total distance covered will be
Distance = 160 + 210
Distance = 370 m
The total time of the whole distance journey will be
Time = 150 + 140 = 290 s
The formula for speed is
Speed = distance/time
Speed = 370/290
Speed = 1.276 m/s
Therefore, the average speed is 1.3 m/s approximately
