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ss7ja [257]
3 years ago
15

The moment of inertia of a uniform equilateral triangle with mass m and side length a about an axis through one of its sides and

parallel to that side is (1/8) ma^2. What is the moment of inertia of a uniform regular hexagon of mass m and side length a about an axis through two opposite vertices?
Physics
1 answer:
Bond [772]3 years ago
8 0
No Idea sir skskskhhhhfffvftujbvf
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The moon is 3.85 x 10 to the 8 m from earth and has a diameter of 3.48 x 10 to the 6 m. You have a pea (diameter = 0.50 cm) and
polet [3.4K]

Answer:

(a) dime

Explanation:

Convert all to metric unit:

0.5 cm = 0.005 m

1.8 cm = 0.018 m

71 cm = 0.71 m

In order to find out we would need to calculate the ratio R between the object diameter d and their distance s to our eyes:

R_m = \frac{d_m}{s_m} = \frac{3.48*10^6}{3.85*10^8} \approx 0.009

R_p = \frac{d_p}{s_p} = \frac{0.005}{0.71} \approx 0.007

R_d = \frac{d_d}{s_d} = \frac{0.018}{0.71} \approx 0.0253

Since the ratio of the dime is larger than the ratio of the moon, and the ratio of the pea is smaller than the ratio of the moon, only the (a) dime can cover your view of the moon.

3 0
3 years ago
Which of the following best describes the use of a renewable resource? (2 points) Most power plants burn fossil fuels to generat
kolbaska11 [484]

Which of the following best describes the use of a renewable resource?

Answer:

There are areas in California that use the heat from deep in the Earth to generate electricity.

Explanation:

It comes from the earth itself and we use a lot of things that comes from the earth and deep within it.

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When a vehicle travels at a steady speed the driving force and the
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Answer:

.......

Must be equal

Explanation:

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2 years ago
two cars go through 2 different crashes. car one 1 experiences a 500N impulse for a duration for 15s, while car2 experiences the
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Answer:

Conservation of momentum.

Momentum is zero after collision, no direction or speed.

Explanation:

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Scientists often say that light and other forms of electromagnetic radiation have a dual nature
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Answer:

Behaves as a wave.

Explanation:

The dual nature of light means that light behaves as a wave. If the light consisted of small particles, the alternating light and dark bands would not have occurred.

Sometimes it behaves like a particle (called a photon), which explains how light travels in straight lines.

7 0
3 years ago
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