4 points Scenario explanation question: Suppose you place a heavy object in the
middle of a wagon at rest. The wagon does not have a back wall and there
is no friction between the object and wagon. If the wagon is pulled very
fast to the left, what will the OBJECT'S MOTION look like compared to the
GROUND below? (You must use force, inertia and balanced in your
response.) *
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1. what is the relationship between wavelength and the penetrating power of an electromagnetic wave? a) the penetrating power has no relationship to the wavelength. b) the penetrating power increases as the wavelength increases. c) the penetrating power decreases as the wavelength increases. d) the penetrating power decreases as the wavelength decreases. 2. as ice melts and turns into water, the speed of sound through the material would most likely do what? justify your answer. a) the speed would not change because the material is always water. b) the speed of sound would increase because the density of water is less than that of ice. c) the speed of sound would increase because energy is added to ice in order to make it melt. d) the speed of sound would decrease because sound travels faster through solids than liquids. 3.which of these waves need a medium to travel through? a) sound b) x-rays c) infrared rays d) visible light