Explain why there are two high tides and two low tides each day. strictly speaking, should the period during which there are two high tides be 24 hours? if not, what should the interval be?

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)

Three resistors are connected in series across a 15-v power supply. if the potential drops across resistors 1 and 2 are 4.1 volts and 3.1 volts, what is the exact potential drop (in volts) across resistor 3?