A physicist claims that she has found a new particle with a mass 200 000 times the mass of the proton (1.67 × 10^?27 kg) and a charge of 3.20 × 10^?19 C. If she is correct, such a particle traveling in a circle in a uniform 5.00 T magnetic field at a velocity of 2 500 m/s will have a radius of
a. 0.261 m.
b. 0.522 m.
c. 1.04 m.
d. 3.27 m.
e. 3.13 × 10^26 m.
b
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(a) To select a material with a high KIc (b) To ensure that the part has a very small initial crack length with nondestructive testing equipment. (c) To polish the surface of the part (d) To case-harden the part
A satellite near Earth makes a full circle in about 90 minutes. Much farther from Earth, say at the distance to the Moon, time for a full circle would be
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This curve shows the distribution of atomic speeds calculated from an experiment in which particles of gas are projected through an apparatus as shown on page 217 of your textbook. How would the distribution of speeds change if the temperature of the gas were increased?
a. The shape of the distribution would remain qualitatively the same, but would shift to the right. b. Same as answer a., except that the shift is to the left. c. The distribution is not affected by temperature. d. The peak gets higher without shifting over while the height of other parts of the curve decreases. e. The peak gets lower without shifting over while the height of other parts of the curve increases.