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den301095 [7]
4 years ago
13

A gamma ray with an energy of 3.40 × 10-14 joules strikes a photographic plate. We know that Planck's constant is 6.63 × 10-34 j

oule·seconds. What is the frequency of the photon?
5.13 × 1019 hertz

5.60 × 1017 hertz

2.45 × 1017 hertz

2.45 × 10-12 hertz

7.80 × 10-19 hertz
Physics
2 answers:
suter [353]4 years ago
4 0
The correct answer is: "A. 5.13 x 10^19 hertz"
Wittaler [7]4 years ago
4 0
The answer is A, 5.13 x 10^19 hertz
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3 years ago
A force of 25N acts on a mass of 5.0kg, initially at rest. Calculate the distance travelled before achieving a velocity of 20m/s
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Answer:

40m

Explanation:

let's calculate the acceleration first

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rearranging to find acceleration:

acceleration = force ÷ mass

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6 0
2 years ago
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