A light-year is the distance light travels in one year
Indicate whether the statement is true or false
T
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As its name implies, in a(n) ________ star the protons and electrons are fused together and the charges eliminated via neutronization
Fill in the blank(s) with correct word
Your friend says that any radio wave travels appreciably faster than any sound wave
A) agree with your friend unconditionally B) agree with your friend for most common cases C) disagree with your friend D) find a new friend
A 72.0-kg person pushes on a small doorknob with a force of 5.00 N perpendicular to the surface of the door. The doorknob is located 0.800 m from axis of the frictionless hinges of the door
The door begins to rotate with an angular acceleration of 2.00 rad/s2. What is the moment of inertia of the door about the hinges? A) 4.28 kg?m2 B) 7.52 kg?m2 C) 1.88 kg?m2 D) 0.684 kg?m2 E) 2.74 kg?m2
Which of the following elements in your body is formed in stars?
A. calcium B. carbon C. oxygen D. iron E. All of these choices are correct.