3 years ago

Can someone please help

1 answer:

3 0

The answer is B. Mono and polyunsaturated fats because the other two are really harmful and they are not healthy whatsoever.

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svetoff [14.1K]

Answer:

2.85 rad/s

Explanation:

5 cm = 0.05 m

20 g = 0.02 kg

When dropping the 2nd object at a distance of 0.05 m from the center of mass, its corrected moments of inertia is:

$I_2 = 1.32\times10^{−6} + 0.02 * 0.05^2 = 0.513\times10^{-4} kgm^2$

So the total moment of inertia of the system of 2 objects after the drop is:

$I = I_1 + I_2 = 9.7\times10^{-4} + 0.513\times10^{-4} = 0.0010213 kgm^2$

From here we can apply the law of angular momentum conservation to calculate the post angular speed

$\omega_1 I_1 = \omega_2 I$

$\omega_2 = \omega_1 \frac{I_1}{I} = 3 \frac{9.7\times10^{-4}}{0.0010213} = 2.85 rad/s$

6 0

3 years ago

likoan [24]

Answer:work is done, and temperature increases

Explanation:

In an adiabatic process, when gases are compressed, work is done on the liquid and the temperature increases

8 0

4 years ago

aev [14]

Answer:

evaporation

Explanation:

3 0

4 years ago

NISA [10]

radio waves bc they have the longest wave lenthgs in a magnetic spectrum

5 0

3 years ago

Roman55 [17]

I believe the answer to your question is A

4 0

4 years ago