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Maurinko [17]
3 years ago
9

It is MOST accurate to say the the body mass index (BMI) provides information about ____________. A. Body composition. B. An ind

ividual's height-weight ratio C. Cardiorespitory fitness levels D. An individual's height
Physics
2 answers:
cluponka [151]3 years ago
8 0
It is most accurate to say that body mass index (BMI) provides information about an individual's height-weight ratio. The correct answer is B.
joja [24]3 years ago
6 0

Answer:

The answer is B

Hope this helped!

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How many complete wave cycles are shown?
skelet666 [1.2K]

Answer:

2.0

Explanation:

8 0
3 years ago
Two groups of students made plans to help their community during a hurricane. The first group suggested training the community a
zysi [14]
The correct option is D.
During hurricane, the most important thing is to get people out to safety in order to save their lives. Training the community about safety evacuation route is by far the better idea because it provide immediate safety from the natural hazard. The second idea is not a good one at all, because if food are stocked in every house in the community, the food will be destroyed alongside other things during the hurricane. 
8 0
3 years ago
A hydrogen atom has a radius of 2.5 x 10-11 m<br> Determine the radius of a magnesium atom.
baherus [9]

Answer:

R = 1.5* 10^{-10}m

Explanation:

Given

r = 2.5 * 10^{-11}m -- radius of hydrogen atom

<em>See attachment</em>

Required

Determine the radius of magnesium atom (R)

From the attachment, the ratio of a hydrogen atom to a magnesium atom is:

Ratio = 6mm : 36mm

Simplify

Ratio =1 : 6

Represent the radius as ratio:

Ratio = r : R

Substitute r = 2.5 * 10^{-11}m

Ratio = 2.5 * 10^{-11}m : R

Equate both ratios

2.5 * 10^{-11}m : R = 1 : 6

Express as fraction

\frac{2.5 * 10^{-11}m}{R} = \frac{1}{6}

Cross Multiply

R * 1 = 2.5 * 10^{-11}m * 6

R * 1 = 2.5 * 6* 10^{-11}m

R * 1 = 15* 10^{-11}m

R = 15* 10^{-11}m

R = 1.5*10* 10^{-11}m

R = 1.5* 10^{1-11}m

R = 1.5* 10^{-10}m

Hence, the radius of the magnesium atom is: 1.5* 10^{-10}m

6 0
3 years ago
A 375-g stone hangs from a thin light string that is wrapped around the circumference of a pulley with a moment of inertia of 0.
Monica [59]

Answer:

The magnitude of the acceleration of the stone is 19.87 m/s²

Explanation:

Given;

mass of stone, m = 375 g = 0.375 kg

moment of inertia, I = 0.0125 kg.m²

radius of the pulley, r = 26 cm = 0.26 m

Torque generated by the pulley on the stone is given as;

τ = F x r = Iα

where;

F is applied force on the stone due to its weight

r is the radius of the pulley

I is moment of inertia

α is angular acceleration (rad/s²)

Force, F = mg = 0.375 x 9.8 = 3.675 N

Torque, τ = F x r

τ = 3.675 x 0.26

τ = 0.9555 N.m

τ = Iα

Angular acceleration, α = τ / I

α = 0.9555 / 0.0125

α = 76.44 rad/s²

Finally, determine linear acceleration, a,  in m/s²

a = αr

a = 76.44 x 0.26

a = 19.87 m/s²

Therefore, the magnitude of the acceleration of the stone is 19.87 m/s²

4 0
3 years ago
A heated piece of metal cools according to the function c(x) = (.5)^(x _ 11), where x is measured in hours. A device is added th
Agata [3.3K]
You just need to replace x with 5 in each function

.5^5 - 11
-5-3

.5 ^-6
-8


64 - 8 = 56 A Celcius

Hope this helps
3 0
3 years ago
Read 2 more answers
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