An asteroid revolves around the Sun with a perihelion 0.5 AU and an aphelion of 7.5 AU. What is its period of revolution?
a. 4 years
b. 8 years
c. 16 years
d. 32 years
e. 64 years
B
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Projectile Motion: A celebrating student throws a water balloon horizontally from a dormitory window that is 50 m above the ground. It hits the ground at a point 60 m from the building without appreciable air resistance.(a) What will be the horizontal component of the velocity of the balloon just before it hits the ground?(b) What will be the magnitude of the vertical velocity of the balloon just before it hits the ground?
What will be an ideal response?
Pensacola, Florida lies at a latitude of 30 degrees north. Where is Polaris in its sky?
What will be an ideal response?
What is the minimum uncertainty in determining the position of an electron if the speed of the electron is 6000 m/s within an accuracy of 0.004%?
A) 0.105 mm B) 0.153 mm C) 0.241 mm D) 0.335 mm E) 0.483 mm
Open clusters and young stars are generally found only in the disk of the Milky Way and not in the halo
Indicate whether the statement is true or false