Physics, 15.07.2019 07:50 nathangirnet
Two objects exert a gravitational force of 3 n on one another when they are 10 m apart. what would that force be if the distance between the two objects were reduced to 5 m? a. 1.5 n b. 6 n c. 12 n d. 24 n
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Physics, 21.06.2019 23:00
Will you chech and finish these for me, because i am stumped with them.
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Physics, 22.06.2019 19:00
Friction removes energy from objects in motion. which statement best describes how this works? a) friction transforms ke into thermal energy b) friction transfers thermal energy to ke c) friction transforms te into pe d) friction transforms pe into ke e) friction transfers ke into pe
Answers: 1
Physics, 22.06.2019 22:00
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
Two objects exert a gravitational force of 3 n on one another when they are 10 m apart. what would t...
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