1. Find the power of a kettle that uses 246606 J in 138 s.
2. Find the power of a fan that in 64 s uses 3392 J.
3. Find the power of a toaster that in 113 s uses 93903 J.
4. Find the power of a washing machine that in 75 s uses 41925 J.
5. Find the power of a light bulb that in 168 s uses 12768 J.
6. Find the energy used by a 527 W washing machine in 224 s.
7. Find the time taken for a 1584 W kettle to use 448272 J of energy.
8. Find the energy used by a 84 W electric fan which is on for 250 s.
9. Find the time taken for a 515 W washing machine to use 99395 J of energy.
10. Find the time taken for a 714 W toaster to use 167076 J of energy.
11. Find the energy used by a 2.373 kW kettle in 3 minutes 20 seconds.
12. Find the power of a fan that uses 14.952 kJ in 168 s.
13. Find the energy used by a 1.226 kW toaster in 1 minute 19 seconds.
14. Find the time taken for a 68 W electric fan to use 19.788 kJ of energy.
15. Find the time taken for a 0.569 kW washing machine to use 113.231 kJ of energy.
1. 1787 W
2. 53 W
3. 831 W
4. 559 W
5. 76 W
6. 118048 J
7. 283 s
8. 21000 J
9. 193 s
10. 234 s
11. 474600 J
12. 89 W
13. 96854 J
14. 291 s
15. 199 s