Games Console Power Consumption (W) Nintendo Wii 14 Playstation 3 85 X Box 360 88 How much Time / s Energy Consumed / J electrical 0 0 energy will a Playstation 3 60 78 000 use up in 60 120 156 000 minutes? 180 234 000 240 312 000 How long, in 300 390 000 hours, will it take an X Box 360 to use up 792 kJ of electrical energy? How much less energy does a Nintendo Wii use if it is played for half an hour, compared to an X Box 360? A hairdryer is connected to a joulemeter and the amount of energy used up every 60 seconds is observed. The results are shown in the table. Draw a line graph of energy consumed against time, and use the gradient of the straight line to calculate the power rating of the hairdryer.
Games Console Power Consumption (W) Nintendo Wii 14 Playstation 3 85 X Box 360 88 How much electrical energy will a Playstation 3 use up in 60 minutes? How long, in hours, will it take an X Box 360 to use up 792 kJ of electrical energy? How much less energy does a Nintendo Wii use if it is played for half an hour, compared to an X Box 360? A hairdryer is connected to a joulemeter and the amount of energy used up every 60 seconds is observed. The results are shown in the table. Time / s Energy Consumed / J 0 0 60 78 000 120 156 000 180 234 000 240 312 000 300 390 000 Draw a line graph of energy consumed against time, and use the gradient of the straight line to calculate the power rating of the hairdryer.