What is a magnetosphere? What are charged particle belts?
What will be an ideal response?
A magnetosphere is a protective field surrounding a planet created by the magnetic field of the planet. The magnetic field diverts charged particles from the solar wind around the planet. Often, ions and electrons accumulate in areas of the magnetic field near the equatorial plane of the planet, called charged particle belts.
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Why are molecular lines usually found in infrared and radio regions, not as visible lines?
What will be an ideal response?
When a nucleus emits a beta particle, its atomic number
A) increases by 1. B) decreases by 1. C) increases by 2. D) decreases by 2. E) none of the above
A force of is exerted tangentially to a wheel of radius 0.340 m and causes an angular acceleration of 1.20 rad/s2. What is the moment of inertia of the wheel?
A) 4.78 kg ? m2 B) 3.59 kg ? m2 C) 5.98 kg ? m2 D) 7.17 kg ? m2
When a fixed amount of ideal gas goes through an adiabatic expansion
A) its internal (thermal) energy does not change. B) the gas does no work. C) no heat enters or leaves the gas. D) its temperature cannot change. E) its pressure must increase.