A 1200-W electric resistance heating element whose diameter is 0.5 cm is immersed in 34 kg of water "cp=4.18 kJ/kg.K" initially at 20 C. Assuming the water container is well-insulated. How long it...

Extracted text: A 1200-W electric resistance heating element whose diameter is 0.5 cm is immersed in 34 kg of water "cp=4.18 kJ/kg.K" initially at 20 C. Assuming the water container is well-insulated. How long it will take for this heater to raise the water temperature to 50 C "Seconds"?