The present atmospheres of the terrestrial planets probably originated from their internal activity.
Answer the following statement true (T) or false (F)
True
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Venus orbits the Sun in 225 days. How long does it take to rotate on its axis?
A) 225 days, so it keeps the same face toward the Sun B) 24 hours, 36 minutes, very similar to Earth and Mars C) 243 days, even though the Earth's tidal pull is not involved D) 36 days, for reasons unknown E) 450 days, exactly at 2:1 spin-orbit resonance
To multiply an applied force while using a simple hydraulic lift, your force should be applied to the
A) large-diameter piston. B) small-diameter piston. C) relative piston sizes don't matter
Control rod material must absorb neutrons
What will be an ideal response?
In an RC circuit, how many time constants must elapse if an initially uncharged capacitor is to reach 80% of its final potential difference?
a. 2.2 b. 1.9 c. 1.6 d. 3.0 e. 5.0