A proton is released such that it has an initial speed of 5.0 × 10^5 m/s from left to right across the page. A magnetic field of 1.2 T is present at an angle of 30° to the horizontal direction (or positive x axis). What is the magnitude of the force experienced by the proton? (qp = 1.6 × 10^-19 C)
a. 3.8 × 10^-14 N
c. 4.8 × 10^-14 N
b. 7.5 × 10^3 N
d. 1.3 × 10^-19 N
C
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A. 25 kW B. 288 kW C. 38 kW D. 48 kW
Which of the following situations is impossible?
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According to Kepler's third law, calculate the orbital period of a planet approximately 6.0 AU away from the Sun
a. ˜6 years b. ˜15 years c. ˜30 years d. ˜36 years e. ˜214 years
If the density of the universe is at the critical density, then the geometry of the universe would follow ordinary Euclidean geometry
Indicate whether the statement is true or false