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3 years ago

An adult with a BMI of 25 to 30 is considered

2 answers:

6 0

Well, the average adult (BMI) would be 18.5 to 24.9. So, I wouldn't really call tis (obese), but I would consider this (overweight).If the question is stating (BMI of 25 to 30), then this would be over than 25.0. Then is would be overweigth.

A. overweight.
B. underweight.
C. healthy.
D. obese.

soldier1979 [14.2K]3 years ago

4 0

Option A overweight

HOPE IT HELPS!!

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Answer:

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Explanation:

First, we find the change in momentum of the bullets. For one bullet:

ΔP = m(Vf - Vi)

where,

ΔP = Change in Momentum = ?

m = mass of bullet = 5 x 10⁻³ kg

Vf = Final Speed = 1110 m/s

Vi = Initial Speed = 0 m/s (Since bullets are initially at rest)

Therefore,

ΔP = (3 x 10⁻³ kg)(1110 m/s - 0 m/s)

ΔP = 3.33 N.s

For 151 bullets:

ΔP = (151)(3.33 N.s)

ΔP = 502.83 N.s

Now, dividing this by time interval, Δt = 11.8 s

ΔP/Δt = 502.83 N.s/ 11.8 s

ΔP/Δt = 42.6 N

According to Newton's Second Law, the force is equal to rate of change of linear momentum:

Average Force = F = ΔP/Δt

F = 42.6 N

The pressure is given by:

Average Pressure = P = Average Force/Area

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