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Yuki888 [10]
3 years ago
12

Molly is looking for a sustainable fuel source that doesn't require technical equipment to harness. She is concerned that trees

take too long to replace through reforestation. What alternative should she consider?
Physics
2 answers:
notka56 [123]3 years ago
8 0

Answer:

She can consider using agricultural waste or dried dung.

Explanation:

No doubt, biomass has become a crucial source of energy to the society, with almost 90% of the households in rural area now relying on biomass for energy. Biomass has become a great option for household heating and cooking. It is locally available and abundant. It is a clean type of fuel, unlike fossil fuels and it somehow helps in cleaning our environment as it traps carbondioxide. Some common types of biomass include dried dung, agricultural waste, or even charcoal.

elixir [45]3 years ago
7 0

Answer:

She can harness Food Waste

Explanation:

Molly can harness the Biomass-based fuels. This type of fuel provide a great alternative since they can be generated from crops, tires, computers, and pretty much anything else other than nuclear waste.

One particular avenue being explored is the use of food waste, which is readily available and can be converted into biofuel through various processes.

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A golf club consists of a shaft connected to a club head. The golf club can be modeled as a uniform rod of length ℓ and mass m1
slega [8]

Answer:

 m₁ (R +ℓ/2) / /( m₁ + m₂ )

Explanation:

We shall consider centre of the club's head  as origin .

The centre of mass of the rod attached with sphere will be away from the centre of sphere by a distance

= R + ℓ /2 and its mass is m₁

mass of sphere is m₂ and distance of its centre of mass from origin is zero

So required CM = m₁ x₁ + m₂ x₂ / ( m₁ + m₂ )

= m₁ (R + ℓ /2) + m₂ x 0 /( m₁ + m₂ )

=  m₁ (R +ℓ/2) / /( m₁ + m₂ )

5 0
3 years ago
Write about the similarities and differences between kinetic and potential energy. Include specific, real world example in your
lord [1]

Answer:

Energy is transformed from potential to kinetic and vice versa

Explanation:

The energy is transformed from mechanical to kinetic energy when the object changes its position with respect to a reference point, where it loses height but increases its speed. When the object is at maximum height with respect to a reference point, it will have its maximum potential energy value. When the object passes through the reference point it will have potential energy equal to zero, but this energy will become kinetic energy.

The most characteristic and real example is that of a pendulum at one end, as can be seen in the attached image.

When the pendulum is located at the top end, as shown in Figure 1, at that point the maximum potential energy will be held. Then the pendulum is released and when it passes through the reference point and its height is zero, with respect to that point, all potential energy will have become kinetic energy in the same way at this point the maximum speed of the pendulum will be set.

8 0
3 years ago
Mice eat insects and get eaten by owls. In which case would a population of mice increase?
creativ13 [48]
The populations of insects increases I believe? Please correct me if I’m wrong
7 0
3 years ago
a stone is dropped from a bridge and hits the pavement below in 2 seconds. what is the velocity of the stone when it hits the pa
ira [324]
Well gravity is 9.8m/s so i would assume 19.6m/2 is the velocity
8 0
3 years ago
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Which change(s) of state require an increase in energy?
Nuetrik [128]

Answer: Melting, evaporation and sublimation.

8 0
3 years ago
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