Hailey decides to make brunch for her step-cousin who is recovering from a hysterectomy, she plugs a waffle iron into a 125-volt household circuit and it draws 11 amps of current. Determine the wattage of the waffle iron. (3 points)

A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?

If forces acting on an object are unbalanced. true or false

Which of these is constant for all types of electromagnetic radiation in a vacuum? select one: a. wavelength b. frequency c. photon energy d. amplitude e. velocity