Answer:
4.2 m/s
Explanation:
Momentum is conserved.
m₁u₁ + m₂u₂ = m₁v₁ + m₂v₂
(35 g) (9 m/s) + (75 g) (-7 m/s) = (35 g) (-15 m/s) + (75 g) v
315 g m/s − 525 g m/s = -525 g m/s + (75 g) v
315 g m/s = (75 g) v
v = 4.2 m/s
Answer:
(a) ![fd=1.7058\times 10^{-5}\ L.hr^{-1}.cm(b) [tex]r=26.008\ cm](https://tex.z-dn.net/?f=fd%3D1.7058%5Ctimes%2010%5E%7B-5%7D%5C%20L.hr%5E%7B-1%7D.cm%3C%2Fp%3E%3Cp%3E%28b%29%20%5Btex%5Dr%3D26.008%5C%20cm)
Explanation:
(a)
- Oxygen consumption rate of humans,

area of human skin, 
- diffusion rate through skin of humans,

- ∴


<u>Flux of diffusion rate, </u>


![fd=1.7058\times 10^{-5}\ L.hr^{-1}.cm(b)Surface area for a spherical animal:[tex]A=4.\pi.r^2](https://tex.z-dn.net/?f=fd%3D1.7058%5Ctimes%2010%5E%7B-5%7D%5C%20L.hr%5E%7B-1%7D.cm%3C%2Fp%3E%3Cp%3E%28b%29%3C%2Fp%3E%3Cp%3ESurface%20area%20for%20a%20spherical%20animal%3A%3C%2Fp%3E%3Cp%3E%5Btex%5DA%3D4.%5Cpi.r%5E2)
Diffusion flux rate for animal:



Answer:
<h2>1.75 N</h2>
Explanation:
The force acting on an object given it's mass and acceleration can be found by using the formula
force = mass × acceleration
From the question we have
force = 3.5 × 0.5 = 1.75
We have the final answer as
<h3>1.75 N</h3>
Hope this helps you
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