Question
The mass of an electron is approximately $9.1 \times 10^{-31}$ kilogram. Express this number in decimal form.
Step 1
1 \times 10^{-31}$ kilogram. This is in scientific notation. Show more…
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The mass of an electron is (9.11)$\left(10^{-31}\right)$ kilogram, and the mass of a proton is (1.67)$\left(10^{-27}\right)$ kilogram. Approximately how many times more is the mass of a proton than is the mass of an electron? Express the result in decimal form.
Exponents and Radicals
Scientific Notation
An electron has a mass of $9.11 \times 10^{-31} \mathrm{kg}$. A proton has a mass of $1.67 \times 10^{-27} \mathrm{kg}$. What is the mass of a proton in electron-masses?
The mass of an electron is $9.1 \times 10^{-31} \mathrm{kg} .$ The mass of a proton is $1.7 \times 10^{-27} \mathrm{kg} .$ An electron and a proton are about $0.59 \times 10^{-10} \mathrm{m}$ apart in a hydrogen atom. What gravitational force exists between the proton and the electron of a hydrogen atom?
Gravitation
Using the Law of Universal Gravitation
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