2kg of water is heated with a heating coil which draws 3.5ampere from a 200volt mains for 2 min .what is the increase in the temperature of water (specific heat capacity of water =4200jkg-¹k-¹​

The two required components for a generator are

Rank the automobiles based on the magnitude of the force needed to stop them, from largest to smallest.2000 kg car going 5m/s500 kg car going 20 m/s1000 kg car going20m/s500 kg car going10m/s1000 kg car going10/s4000 kg car going 5m/s 0 0 603

Which additional product balances the reaction h2so4 + 2naoh → na2so4 + 2h2o 2oh h2o2 h3o