Question

when the speed of a substance equals 120 per minute,is also equals ________ metre per second.​

Answer 1

Answer:

the speed of the substance is 120 per minute and we know that 1 minute= 60 seconds

Therefore,120 minutes= 120×60 seconds= 7200 seconds

Answer 2

Answer:

when the speed of a substance equals 120 per minute,is also equals 7200 metre per second.