Average speed = 80 miles per hour.
he completes it in 69.9 seconds
About 365.5 meters a minute.
distance = rate * time 160 miles = rate * 2 hours rate = 160 miles / 2 hours rate = 80 mph (The sentence about reaching 80 mph in 8 seconds is a red herring. It has no bearing on the solution of the problem.)
If n answers are given in t seconds then the average speed of answer is n/t answers per second. t could be a longer time interval, if appropriate.
200 metres in 40 seconds 20 metres in 4 seconds 300 metres in 60 seconds or 1 minute 18000 metres in 60 minutes or 1 hour 18 kilometres in 1 hour
he completes it in 69.9 seconds
About 365.5 meters a minute.
The duration of Heading Home is 3300.0 seconds.
2Hz
It completes 20 vibrations per second, the the period is 1/20 of a second.
45= 9x5 18= 9x2 9x5x2=90 seconds pass before the gear align again
distance = rate * time 160 miles = rate * 2 hours rate = 160 miles / 2 hours rate = 80 mph (The sentence about reaching 80 mph in 8 seconds is a red herring. It has no bearing on the solution of the problem.)
The best male 400 hurdlers run about 2 seconds slower and the women run about 3. The average difference for an efficient hurdler is about 5 seconds for guys and 7 seconds for girls
sharon sprinter changes her speed from 4.5m/s to 7.5m/s in the middle 1.5 seconds of a 100m race. what is her average velocity for this time period?
a car the completes a 1/4 mile in 10 seconds
They will met after 35 seconds
28m/s 28 m/s