The uncertainty principle states that a particle cannot be precisely localized
a. True
b. False
Indicate whether the statement is true or false
True
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Graphical Analysis: The graph in the figure shows the position of a particle as it travels along the x-axis. What is the magnitude of the average speed of the particle between t = 1.0 s and t = 4.0 s?
A. 1.0 m/s B. 1.3 m/s C. 0.67 m/s D. 0.50 m/s E. 0.25 m/s
Wave Characteristics: A radio station broadcasts at 80 MHz. How long does it take for this radio signal to travel a distance of 2.0 × 107 m through space? (c = 3.0 × 108 m/s)
A. 0.15 × 10-2 s B. 15 ms C. 6.7 × 10-2 s D. 20 ms E. 25 ms
String theories, like GUTs, explain how gravity was combined with the other fundamental forces in the very early universe
Indicate whether the statement is true or false
A proton moving with a velocity of 4.0 × 104 m/s along the +y-axis enters a magnetic field of 0.20 T directed towards the -x-axis. What is the magnitude of the magnetic force exerted on the proton? (e = 1.60 × 10-19 C)
A) 8.0 × 10-15 N B) 3.9 × 10-15 N C) 2.6 × 10-15 N D) 0 N E) 1.3 × 10-15 N