Plant cells are eukaryotic cells that differ in several key aspects from the cells of other eukaryotic organisms. number two sry but Idk
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Answer:
D.
Explanation:
uranium is a renewable resource
Answer:
<em>Enjoy</em>
<em>I</em><em> hope</em><em> it's</em><em> helps</em><em> you</em>
Answer:
a.96cm
b.77cm
Explanation:
Highest intensity,=19cm
Lowest intensity,=29cm
48cm is the distance for half-wave, wavelength =48cm*2=96cm
b. From a, above we know that half-wavelength is 48cm
Also, the distance of known maximum is 29cm
Next maximum is calculated as:
The next maximum will occur at 77cm
Answer:
45 m
Explanation:
From the question given above, the following data were obtained:
Mass (m) = 0.5 kg
Initial height (h₁) = 30 m
Initial potential energy (PE₁) = 20 J
Final potential energy (PE₂) = 30 J
Final height (h₂) =?
From:
PE = mgh
PE / h = mg = constant
Thus,
PE₁ / h₁ = PE₂ / h₂
With the above formula, we can obtain the final height of the bird as follow:
Initial height (h₁) = 30 m
Initial potential energy (PE₁) = 20 J
Final potential energy (PE₂) = 30 J
Final height (h₂) =?
PE₁ / h₁ = PE₂ / h₂
20 / 30 = 30 / h₂
Cross multiply
20 × h₂ = 30 × 30
20 × h₂ = 900
Divide both side by 20
h₂ = 900 / 20
h₂ = 45 m
Therefore, the final height of the bird is 45 m.