Two stars of masses M and 6M are separated by a distance D. Determine the distance (measured from M) to a point at which the net gravitational force on a third mass would be zero.
A. 0.41 D
B. 0.33 D
C. 0.37 D
D. 0.29 D
E. 0.14 D
Answer: D
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What is the magnitude of the electric field 2.8 cm from a tiny object that carries an excess charge of –16 nC? (k = 1/4??0 = 9.0 × 109 N ? m2/C2 )
A) 180,000 N/C B) 5100 N/C C) 1.8 × 1014 N/C D) -180,000 N/C E) -5100 N/C
A horizontal plank (m = 2.0 kg, L = 1.0 m) is pivoted at one end. A spring (k = 1.0 × 103 N/m) is attached at the other end, as shown in the figure. Find the angular frequency (in rad/s) for small oscillations
?
?
a.
39
b.
44
c.
55
d.
66
e.
25
What is the evidence that gamma-ray bursts originate from beyond the Milky Way Galaxy?
What will be an ideal response?
The gamma rays created in the Sun's core move freely through the ________ zone
Fill in the blank(s) with correct word