Physics, 24.02.2020 18:02 jonesmykenzee
One Hundred meters of a certain type of wire has a resistance of 7.2 ohms. What is the resistance of 2.5 m of this wire? a. 18 ohm b. 1.8 ohm c. 0.18 ohm d. 3.0 ohm e. 0.30 ohm
Answers: 3
Physics, 22.06.2019 15:10
What does si stand for,when referring to a system of measurement
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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
Physics, 23.06.2019 02:20
Aparticle initially located at the origin has an acceleration of = 2.00ĵ m/s2 and an initial velocity of i = 8.00î m/s. find (a) the vector position of the particle at any time t (where t is measured in seconds), (b) the velocity of the particle at any time t, (c) the position of the particle at t = 7.00 s, and (d) the speed of the particle at t = 7.00
Answers: 1
One Hundred meters of a certain type of wire has a resistance of 7.2 ohms. What is the resistance of...
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