Answer:
It is a physical change because this change is reversible and no chemical reaction occurs.
Explanation:
Whats the question? Im not sure what your asking
Answer:
31.67 mph
Explanation:
To calculate the average speed of the truck, we must first obtain the total distance travelled by the truck followed by the total time taken for the truck to cover the distance travelled.
The following data were obtained from the question include:
Total distance) = 30 + 45 + 50 + 65 = 190 miles
Total time = 1 + 2 +1 +2 = 6 hours
Average speed =.?
Average speed = Total distance / Total time
Average speed = 190 /6
Average speed = 31.67 mph
Therefore, the average speed of the truck is 31.67 mph
Answer:
400 K
Explanation:
Please see the step-by-step solution in the picture attached below.
Hope this answer can help you. Have a nice day!