A ray of light strikes a plane mirror perpendicular to the mirror. What is the angle of reflection?

A) 0°
B) 90°
C) 180°
D) 360°
E) 270°


A

Physics & Space Science

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Induced emf in a straight segment of wire that passes through a magnetic field depends on all of the following, except:

A. the orientation of the wire with respect to the magnetic field direction B. its length, its resistance C. its speed D. the magnetic field strength

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What is the momentum of an electron moving at a speed of 0.90 c?

A.
B.
C.
D.
E.

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Energy and Mass: In a nuclear plant, 1017 J of energy is available from mass conversion. How much mass of fuel was lost to produce this energy? (c = 3.0 × 108 m/s)

A. 0.1 kg B. 1 kg C. 10 kg D. 100 kg

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At the lowest point in a vertical dive (radius = 0.58 km), an airplane has a speed of 300 km/h which is not changing. Determine the magnitude of the acceleration of the pilot at this lowest point

a. 26 m/s2 b. 21 m/s2 c. 16 m/s2 d. 12 m/s2 e. 8.8 m/s2

Physics & Space Science