Fill in the blanks:
a girl stands in an elevator car. a blue arrow above the car is labeled f...
Physics, 08.11.2019 22:31 chrisimichaels7497
Fill in the blanks:
a girl stands in an elevator car. a blue arrow above the car is labeled fp. a blue arrow below the car is labeled fg. use the force diagram on the elevator to complete the statements. the forces acting on the elevator are or unbalanced) fg is fp.(greater than, less than, or the same as) this means that the elevator move, move up, or move down)
Answers: 1
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The human body stores chemical energy from digested food. some of the chemical energy is converted into mechanical energy when the body moves. which statement best supported by this information
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Explain what will happen if decomposers were apsent from a forest ecoysystem.
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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
Answers: 3
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