This physics problem tests your understanding of fundamental physical laws and their applications. The step-by-step solution below breaks down the problem using relevant equations and physical reasoning.
ScanSolve AI Answer
Hey, good to see you again. Step 1: Calculate the change in temperature of the water. The water is heated from 25^ to its boiling point, which is 100^. T = T_final - T_initial = 100^ - 25^ = 75^ Since 1^ change is equal to 1\,K change, T = 75\,K. Step 2: Calculate the heat energy required to boil the water. The mass of water is 250\,g, which is 0.250\,kg. The specific heat capacity of water is 4000\,J/kgK. Q = mc T Q = (0.250\,kg)(4000\,J/kgK)(75\,K) Q = 75000\,J Step 3: Calculate the power of the electric boiling ring. The voltage is 220\,V and the resistance is 10\,. P = (V^2)/(R) P = (220\,V)^210\, P = 48400\,V^210\, P = 4840\,W Step 4: Calculate the time required. Assuming all electrical energy is converted to heat in the water, the electrical energy supplied (E) is equal to the heat energy required (Q). E = P × t Q = P × t 75000\,J = (4840\,W) × t t = 75000\,J4840\,W t ≈ 15.50\,s The time for which the electric boiling ring should be operated is 15.50 s. Send me the next one 📸