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meriva
3 years ago
13

A battery having an emf of 9.76 V delivers 111 mA when connected to a 60.5 Ω load. Determine the internal resistance of the batt

ery. ______Ω
Physics
1 answer:
kow [346]3 years ago
5 0

Answer:

r = 27.4 \: ohm

Explanation:

Using

E = I(R + r)

9.76 = 111 \times  {10}^{ - 3} (60.5 + r) \\ 87.928 = 60.5 + r \\ r = 27.4 \: ohm

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What is the value of acceleration due to gravity at heght h=4re​
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Answer: Formula for Acceleration Due to Gravity

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Explanation:

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3 years ago
A tray of electronic components contains 15 components, 4 of which are defective. If 4 components are selected, what is the poss
dlinn [17]

Answer:

a) 0.0007326

b) 0.03223

c) 0.2418

d) 0.2418

Explanation:

To find different probabilities for the selection of components among eleven good and four defective components, we will use the Combination.

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b) C(4,3) = 4; C(11,1) = 11

P = \frac{C(4,3)*C(11,1)}{C(15,4)} = \frac{4*11}{1365} = 0.03223

c) C(4,2) = 6; C(11,2) = 55

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d) C(11,4) = 330

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8 0
3 years ago
An aircraft maintenance technician walks past a tall hangar door that acts like a single slit for sound entering the hangar. Out
Sphinxa [80]

Answer:

The first minimum would be observed at 41.57°

Explanation:

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θ = angular position of the mth minima

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θ = sin⁻(mλ/d)

θ = sin⁻ [(1 * 0.557) / 0.840]

θ = sin⁻ 0.6635

θ = 41.57°

The first minimum would be observed at 41.57°

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3 years ago
The tilt of the Earth's axis of rotation changes from approximately 22.5° to 24.5° over a period of 41,000 years. This causes gl
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<span>b. less climatic variation between the summer and winter seasons in the middle and high latitudes

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Why is the nucleus of an atom dense​
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Explanation:

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