A toaster receives 216,000 J of energy from the mains. 90,000 J of this is transferred as useful energy to the thermal energy stores of a bagel. What is the efficiency of the toaster? Give your answer as a percentage to the
nearest whole number.

wavelegth as in spectrum red oygbiv

c) up is the direction the magnetic force is acting on the charge.

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.