Which part of the Sun is observable during a total solar eclipse?
a. core
b. solar disk
c. sun spots
d. photosphere
e. chromosphere
e
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Io experiences strong internal tidal heating because of
A) large amounts of radioactive decay occurring inside the moon B) the large amount of internal heat left over from its formation C) the strong tidal forces exerted by the outer Galilean moons, Europa, Ganymede, and Callisto D) the strong tidal force from the massive Jupiter combined with its elliptical orbit which causes the strength and direction of the force to constantly change
To determine the height of a bridge above the water, a person drops a stone and measures the time it takes for it to hit the water. If the height of the bridge is 41 m, how long will it take for the stone to hit the water? Neglect air resistance
A) 3.6 s B) 2.3 s C) 2.6 s D) 2.9 s E) 3.2 s
A 0.30-kg block rests on a frictionless level surface and is attached to a horizontally aligned spring with a spring constant of 52.0 N/m. The block is initially displaced 3.20 cm from the equilibrium point and then released to set up a simple harmonic motion. What is the speed of the block when it passes through the equilibrium point?
a. 2.36 m/s b. 0.596 m/s c. 1.67 m/s d. 0.421 m/s e. 2.28 m/s
Binding energy is roughly constant for all higher-A nuclei
What will be an ideal response?