The planetary model of the hydrogen atom consists of an electron in a circular orbit about a proton. The motion of the electron of charge 1.60 × 10?19 C creates an electric current. The radius of the electron orbit is 5.30 × 10?11 m and the electron's velocity is 2.20 × 106 m/s. What is the magnetic field strength at the location of the proton?
What will be an ideal response?
12.5 T
Physics & Space Science
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Which of the following gases is a trace natural constituent of the air?
a. CO b. SO2 c. CO2 d. NO2
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The Milky Way:
A) contains less than 50 billion stars. B) stretches across for just around 30,000 light-years. C) is known for being very unique. D) is larger than most other galaxies.
Physics & Space Science
Kepler's analysis of planetary motion showed that the planets move _______________ when close to the Sun and _______________ when farther away
Fill in the blank(s) with correct word
Physics & Space Science
A mass oscillates on the end of a spring, both on Earth and on the Moon. Where is the period the greatest?
A) Earth B) the Moon C) the same on both Earth and the Moon D) Cannot be determined from the information given.
Physics & Space Science