The linear momentum of a 100.0 kg object moving around a 30.0 m circle at a constant speed of 2.20 m/s is
a. 0.0 N
b. 220 N
c. 242 N
d. 6600 N
b
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Which theory best describes today's current thinking about the birth of a solar system?
a. Big Bang theory b. Solar Nebular theory c. Condensation theory d. Theory of Relativity e. Passing star theory
Potential: How much work must we do on an electron to move it from point A, which is at a potential of +50 V, to point B, which is at a potential of -50 V, along the semicircular path shown in the figure? Assume the system is isolated from outside forces. (e = 1.60 × 10-19 C)
A. 1.6 J B. 1.60 × 10-17 J C. -1.60 × 10-17 J D. -1.6 J E. This cannot be determined because we do not know the distance traveled.
Why can we say that 1963's fallout value was the highest? Explain why this could be so
What will be an ideal response?
The speed of a seismic wave depends on
A) the type of material it travels through. B) how far it has to travel. C) its amplitude. D) its frequency.