4 years ago

The least penetrating form of radiation is

Physics

2 answers:

pentagon [3]4 years ago

8 0

Answer:

1. emits energy when it decays

2. 0

3. helium nucleus

The least penetrating form of radiation: 4. alpha radiation

5. increases by 1

Explanation:

kondaur [170]4 years ago

6 0

Answer: alpha radiation

Explanation:

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What must be the length of a simple pendulum if its oscillation frequency is to be equal to that of an air-track glider of mass

Anvisha [2.4K]

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$F = \frac{1}{2\pi } \sqrt{\frac{k}{m} } \\\\F = \frac{1}{2\pi } \sqrt{\frac{9.75}{0.25} } \\\\F = 0.994 \ Hz$

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$F = \frac{1}{2\pi} \sqrt{\frac{g}{l} } \\\\2\pi(F) = \sqrt{\frac{g}{l} } \\\\2\pi (0.994) = \sqrt{\frac{9.8}{l} } \\\\6.2455 = \sqrt{\frac{9.8}{l} } \\\\(6.2455)2 = \frac{9.8}{l} \\\\39.006 = \frac{9.8}{l} \\\\l = \frac{9.8}{39.006} \\\\l = 0.25 \ m$

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