What is the magnitude of the horizontal displacement of the rock?

a. 3.53 m
b. 13.3 m
c. 222 m
d. 26.1 m


d

Physics & Space Science

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Conservation of charge means that

a. The total amount of charge in the universe is constant. b. No experimenter has ever seen a single charge destroyed by itself. c. Electrons by themselves can be neither created nor destroyed. d. Charge can be neither created nor destroyed. e. All of the above.

Physics & Space Science

Compared to the mass of a proton, the mass of an electron is

A) very much less. B) identical. C) greater.

Physics & Space Science

The straight-line distance and direction between two points are, together, called

a. velocity. b. displacement. c. distance. d. acceleration.

Physics & Space Science

A 22.0-kg mirror with a surface area of 1.0 m2 and a 98% reflectivity is bombarded by light of average intensity 770.0 W/m2 at an angle of 30.0? to the normal of its surface

If the light has a duration of how much does the velocity of the mirror change during that time? (c = 3.00 × 108 m/s, ?0 = 4? × 10-7 T ? m/A, ?0 = 8.85 × 10-12 C2/N ? m2) A) 120 nm/s B) 4.2 nm/s C) 3.6 nm/s D) 2.1 nm/s

Physics & Space Science