A waiter in a restaurant fills a pitcher full of water and ice so that water would spill out if any more were added. As the ice starts to melt
A. the water level in the pitcher falls.
B. the water level in the pitcher remains the same.
C. water starts to flow out the spout of the pitcher.
D. the pressure on the bottom of the pitcher decreases.
E. the pressure on the bottom of the pitcher increases.
Answer: B
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In a particle accelerator, protons are fired at a stationary target and collide elastically with the nuclei of the atoms in the target. In one such experiment, a beam of protons is fired with a speed of 2.10 × 107 m/s
The protons that undergo a collision rebound with a speed of 1.68 × 107 m/s. What is the mass of the nuclei that the protons are colliding against? A) 6.00 proton masses B) 7.00 proton masses C) 8.00 proton masses D) 9.00 proton masses E) 10.0 proton masses
When an acid reacts with a carbonate or hydrogen carbonate, the products are ______________, carbon dioxide, and a salt
Fill in the blank(s) with correct word
Capacitors in Combination: A 2.0-?F capacitor and a 4.0-?F capacitor are connected in series across an 8.0-V potential source. What is the charge on the 2.0-?F capacitor?
A. 2.0 ?C B. 4.0 ?C C. 12 ?C D. 11 ?C E. 25 ?C
Compare the axial heat flux achievable by a heat pipe using water as the working fluid with that of a solid silver rod. Assume that both are 20-cm-long, that the temperature difference for the rod from end to end is 100°C and that the heat pipe operates at atmospheric pressure. State your other assumptions.
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