A MAN OF MASS 50KG ASSEND A FLIGHT OF STAIRS 5M HIGH IN 5SECONDS IF ACCELERATION DUE TO GRAVITY IS 10M PERSECONDSQUARE CALCULATE FOR THE POWER EXPENDED

Answer 1

power=workdone/time=force*distance/time= mass*g*distance/time
=50*9.8*5/55= ....

I refuse to "assume" g is 10m/s^2. nowhere on Earth is g=10m/s^2. Does your teacher think that using decimal numbers is too difficult for you?