You have discovered a new asteroid, which has a moon in an elliptical orbit around it
From a series of observations, you establish that the closest approach occurs when the moon is 51,000 m from the asteroid, the furthest separation is 102,000 m, and the speed of the moon at the point of closest approach is 7.50 m/s. What is the mass of the asteroid? G = 6.67 x 10-11 N•m2/kg2.A) 4.25 × 1016 kg
B) 9.87 × 1016 kg
C) 3.22 × 1016 kg
D) 2.04 × 1016 kg
E) 5.05 × 1016 kg
C
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A proton is accelerated from rest through a potential difference of 2.5 kV and then moves perpendicularly through a uniform 0.60-T magnetic field. What is the radius of the resulting path?
A. 15 mm B. 12 mm C. 18 mm D. 24 mm E. 8.5 mm
One of Neptune's moons produces _______________ in the outermost ring
Fill in the blank(s) with correct word
Of the many possible nucleotides, the DNA used in living organisms on Earth uses how many?
A) 20 B) 4 C) 5 D) 23
When the Moon appears on an observer's meridian at midnight, it is called a(n) ______________ moon
Fill in the blank(s) with correct word