The quark structure of the proton is uud
Indicate whether the statement is true or false
T
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Consider the circuit below. Switch S is closed at t = 0
What is the voltage across the capacitor
C long after the switch is closed?
One piece of evidence against the possibility of water on Mars is:
A) the current lack of water on Mars. B) the fact that the polar ice caps are made of carbon dioxide ice. C) the volcanic activity on Mars. D) the few carbonate rock layers that would have formed on the bottoms of oceans. E) the "hydrated" chemical compounds found on surface rocks all over the planet.
Which of the following is an almost reversible process?
a. The explosion of hydrogen and oxygen to form water. b. Heat transfer through thick insulation. c. The adiabatic free expansion of a gas. d. A slow isothermal compression of a gas. e. A slow leakage of gas into an empty chamber through a small hole in a membrane.
A 2.0-kg block slides down a frictionless incline from point A to point B. A force (magnitude P = 3.0 N) acts on the block between A and B, as shown. Points A and B are 2.0 m apart. If the kinetic energy of the block at A is 10 J, what is the kinetic energy of the block at B?
A. 27 J B. 20 J C. 24 J D. 17 J E. 37 J