which of the following is not a characteristic of electromagnetic light waves? a. they can't travel through a vacuum. b. they obey the formula: velocity= wavelength x frequency. c. they can be reflected and refracted. d. they travel at approximately 3 x 108 meters per second through the air.

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)

Listed below are the measured radiation absorption rates (in w/kg) corresponding to 11 cell phones. use the given data to construct a boxplot and identify the 5-number summary. 1.16 0.85 0.69 0.75 0.95 0.93 1.18 1.17 1.42 0.54 0.57 the 5-number summary is nothing, nothing, nothing, nothing, and nothing, all in w/kg. (use ascending order. type integers or decimals. do not round.)

Which of the following statements accurately describes the sign of the work done on the box by the force of the push? a. positive b. negative c. zero