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GuDViN [60]
3 years ago
12

The elementary charge equals 1.6 x 10^-9 C. a. True b. False

Physics
1 answer:
yanalaym [24]3 years ago
5 0

Answer:

False

Explanation:

The magnitude of electric charge carried by an electron as well as proton is called elementary charge. Both the electron and proton have the same charge but the difference is that the electrons are negatively charged species and the protons are positively charged.

The elementary charge is equal to 1.6\times 10^{-19}\ C. Hence, the given statement "The elementary charge equals 1.6\times 10^{-9}\ C" is false.

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Answer:

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Explanation:

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The rider is moving at constant speed, so acceleration is 0.

Sum of the forces in the x direction:

∑F = ma

F cos 30° - T cos 15° = 0

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Sum of the forces in the y direction:

∑F = ma

F sin 30° - W - T sin 15° = 0

W = F sin 30° - T sin 15°

Substituting:

W = (T cos 15° / cos 30°) sin 30° - T sin 15°

W = T cos 15° tan 30° - T sin 15°

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W = 1900 (cos 15° tan 30° - sin 15°)

W = 570 N

The rider weighs 570 N (which is about the same as 130 lb).

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