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svetoff [14.1K]
3 years ago
6

the mechanical advantage of a wheel and axle is the radius of the wheel divided by radius of the wheel divided by the radius of

the axle A, the wheel and axle are very close in size. on wheel B the radius of the wheel is much greater then the radius of the axle. which wheel and axle has the greater mechanical advantage?
Chemistry
2 answers:
denis-greek [22]3 years ago
7 0
B 6 ft 2 in. = _____ ft
Levart [38]3 years ago
5 0

Answer:

Wheel and axle B has the greater mechanical advantage. Dividing the radius of the wheel by the radius of the axle will give a larger number.

Explanation:

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The compound MgF is an example of a(n)
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4 0
3 years ago
22. Radon has a half-life of 3.83 days. How long will it take a 225 g sample to decay to 14.06 g? (3pts.)
prohojiy [21]

Answer:

15.32 days

Explanation:

From the question given above, the following data were obtained:

Half-life (t½) = 3.83 days

Original amount (N₀) = 225 g

Amount remaining (N) = 14.06 g

Time (t) =.?

Next, we shall determine the number of half-lives that has elapsed. This can be obtained as follow:

Original amount (N₀) = 225 g

Amount remaining (N) = 14.06 g

Number of half-lives (n) =?

N = N₀ / 2ⁿ

14.06 = 225 / 2ⁿ

Cross multiply

14.06 × 2ⁿ = 225

Divide both side by 14.06

2ⁿ = 225 / 14.06

2ⁿ = 16

Express 16 in index form with 2 as the base

2ⁿ = 2⁴

n = 4

Thus, 4 half-lives has elapsed.

Finally, we shall determine the time. This can be obtained as follow:

Half-life (t½) = 3.83 days

Number of half-lives (n) = 4

Time (t) =.?

n = t / t½

4 = t / 3.83

Cross multiply

t = 4 × 3.83

t = 15.32 days

Therefore the time for 225 g sample of Radon to decay to 14.06 g is 15.32 days

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MrRa [10]
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The answer should be letter E, Thomson.
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3 years ago
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