A machine does 1,400 joules of work in 30 seconds. What is the power of this machine? Physics Work and Energy Power 1 Answer GiĆ³ Apr 27, 2015 Power is the work done in the unit time or: Power=#P=(Work)/(time)# and is measured in Watts. In your case: #P=1400/30# Watts Answer link Related questions What is power? How are work and power related? How are force and power related? How does power affect work? How does power differ from energy? How does power change with voltage? How does power relate to torque? How does work relate to conservation of energy? How does work relate to gravitational potential energy? What is horsepower? See all questions in Power Impact of this question 5352 views around the world You can reuse this answer Creative Commons License