A chef is testing out new iron cookware. He knows that iron has a specific heat of 445 J/kg°C. He heats a 2 kg iron skillet on stove for 5 minutes and finds that the
temperature of the iron skillet has increased by 250°C. What change in
temperature will the Chef observe when he heats his 4 kg iron skillet on the same
stove for the same amount of time?
A. An increase of 125°C
B. An increase of 250°C
C. An increase of 325°C
O D. An increase of 445°C

To find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? a) when more work was done, the couch was moved the same distance. b) when more work was done, the couch was moved less. c) when more work was done, the couch was moved further. d) when more work was done, the couch wasn't moved at all.