The correct answer is rock cycle
Answer:
Sound waves are reflected back
a. 27
after that all you need to do is use the work formula as you will be able to acheive results
B. kinetic energy increases and potential energy decreases
Answer:
72 kilometres per hour
Explanation:
The formula for calculating speed is distance/time.
So to work this out you would convert 2 minutes into hours. You would divide 2 by 60 to convert it into hours. This is because the standard unit for speed with kilometres is kilometres per hour. Then you would divide 2.4 by that.
1)Divide 2 by 60:

2) Divide 2.4 by 0.0333333.

3) Round it.
