Answer:If a 5-kilogram mass is raised vertically 2 meters from the surface of the Earth, its gain in potential energy is approximately 1) 0 J 2) 10 J 3) 20 J 4) 100 J 43.
Explanation:
Answer:
Here is something that may help you!!
Explanation:
I found it in a cite (not that I'm plagiarizing, or anything).
d. 110 grams
Explanation:
The number of grams needed to make 1molar solution from 1liter volume is 110grams.
Concentration is the number of moles of solute dissolved in a given volume of solvent.
Since:
desired concentration = 1M
volume = 1L
Number of moles = ?
Concentration =
Number of moles = concentration x volume
Number of moles = 1 x 1 = 1mole
Mass of CaCl₂ = number of moles x molar mass
Molar mass CaCl₂ = 40 + (35x 2 ) = 110g/mol
learn more:
Molar mass brainly.com/question/2861244
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Mass of CaCl₂ = 1mole x 110g/mole = 110g
Answer:
Voltage, V = 0.0524 volts
Explanation:
Thickness of the membrane,
Electric field strength,
We need to find the voltage across it. The relationship between the voltage, electric field and the distance is given by :
V = 0.0524 volts
So, the voltage across the thick membrane is 0.0524 volts. Hence, this is the required solution.
Light's speed only depends on the substance (medium) it's moving through.
It travels at a constant speed as long as it stays in the same medium.
Light has the fastest speed when it's in vacuum, and nothing moves faster than that speed.