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pepsi08u29lll
28.01.2021 •
Mathematics
What is the difference in average speed between two cars, one that traveled 160 kilometers in 5 hours, and the other that traveled 140 kilometers in the same time? Record and bubble your answer below.
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Ответ:
The difference in average speed between two cars, one that traveled 160 kilometers in 5 hours, and the other that traveled 140 kilometers in the same time is:
2 km/h.
Step-by-step explanation:
a) Data and Calculations:
Let A = first car and B = second car
Distance traveled by first car = 160 kilometers (km)
Distance traveled by second car = 140 kilometers
Time taken by each car = 5 hours
Speed of A = 160/5 = 32 km/h
Speed of B = 150/5 = 30 km/h
Difference in speed = 2 km/h (32 - 30)
b) The average speed of a car is given by the distance traveled divided by the time taken to travel the distance. The speed here is expressed in kilometers per hour (km/h). It can also be expressed in meters per hour or second, etc.
Ответ:
:P
Step-by-step explanation: