1. Find the power of a fan that in 106 s uses 7738 J.
2. Find the power of a kettle that in 191 s uses 353159 J.
3. Find the power of a light bulb that in 64 s uses 4032 J.
4. Find the power of a toaster that uses 120205 J in 145 s.
5. Find the power of a washing machine that uses 174960 J in 270 s.
6. Find the energy used by a 45 W light bulb which is on for 123 s.
7. Find the energy used by a 1434 W toaster in 235 s.
8. Find the time taken for a 64 W light bulb to use 6400 J of energy.
9. Find the time taken for a 458 W washing machine to use 88852 J of energy.
10. Find the energy used by a 1821 W kettle in 102 s.
11. Find the time taken for a 1.14 kW toaster to use 159600 J of energy.
12. Find the energy used by a 0.537 kW washing machine in 4 minutes 35 seconds.
13. Find the energy used by a 0.912 kW toaster in 81 s.
14. Find the power of a light bulb that in 2 minutes 15 seconds uses 6.615 kJ .
15. Find the time taken for a 0.094 kW light bulb to use 8.084 kJ of energy.
1. 73 W
2. 1849 W
3. 63 W
4. 829 W
5. 648 W
6. 5535 J
7. 336990 J
8. 100 s
9. 194 s
10. 185742 J
11. 140 s
12. 147675 J
13. 73872 J
14. 49 W
15. 86 s