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Questions in physics
📝 Answered - What is the mass of a sample of water that takes 2000 kJ of energy to boil into steam at 373 K? The latent heat of vaporization of water is [tex]$225 \times 10^3 kg^{-1}$[/tex]. A. 0.0088 kg B. 0.24 kg C. 0.88 kg D. 1.13 kg
📝 Answered - In a scenario where a thin metallic strip on a vernier calliper descends from the upper edge to the lower edge and makes contact with the surface of a beaker, the main scale displays a reading of 6.4 $m$ with a vernier constant of 0.1 mm, and the fourth vernier scale division aligns precisely with a main scale division. Determine the precise depth of the beaker, assuming there is no zero error.
📝 Answered - An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?
📝 Answered - Describe the real-world examples of Newton's third law that were identified in "Applications of Newton's Laws."
📝 Answered - What is frequency a measure of? A. The height of the wave B. The speed of the wave C. The number of waves per second D. The length of the wave
📝 Answered - Which equation shows how wavelength is related to velocity and frequency? A. [tex]$\lambda=v \times f$[/tex] B. [tex]$\lambda=\frac{v}{f}$[/tex] C. [tex]$\lambda=\frac{f}{v}$[/tex] D. [tex]$\lambda=v+f$[/tex]
📝 Answered - In a scenario where a thin metallic strip extends from the upper edge to the lower edge and makes contact with the surface of a beaker, the main scale displays a reading of 6.4 cm with a vernier constant of 0.1 mm, and the fourth vernier scale division aligns precisely with a main scale division. Determine the depth of the beaker, assuming there is no zero error.
📝 Answered - An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?
📝 Answered - Write down three things that transfer energy by heating or light.
📝 Answered - An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?
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