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levacccp [35]
3 years ago
13

The principle of horizontality is based on the observation that sediment usually accumulates in layers. How will you describe th

e rock layering based on this principle?
Physics
1 answer:
N76 [4]3 years ago
8 0
The implication is that tilted sedimentary layers observed to day mist have been subjected to tectonic forces

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The energy from the sun can be used in many different ways. Describe two examples of how humans use the energy from the sun in t
ioda

Answer:

here you go boi

Explanation:

Image result for The energy from the sun can be used in many different ways. Describe two examples of how humans use the energy from the sun in their everyday lives. Make sure that one of your examples includes an energy transformation and explain the form it takes after it is transformed.

Solar energy is transformed into other energy forms for our use on Earth – energy for food (chemical energy), electrical energy and heat energy. Energy from the Sun is transformed into chemical energy, which is passed along in a food chain. Without the Sun, there would be no life on Earth

6 0
2 years ago
Read 2 more answers
Which of the following is not true about electric potential energy?
Mamont248 [21]

Answer:

the second one

Explanation:

When a free positive charge q is accelerated by an electric field, such as shown in Figure 1, it is given kinetic energy. The process is analogous to an object being accelerated by a gravitational field. It is as if the charge is going down an electrical hill where its electric potential energy is converted to kinetic energy. Let us explore the work done on a charge q by the electric field in this process, so that we may develop a definition of electric potential energy.

The electrostatic or Coulomb force is conservative, which means that the work done on q is independent of the path taken. This is exactly analogous to the gravitational force in the absence of dissipative forces such as friction. When a force is conservative, it is possible to define a potential energy associated with the force, and it is usually easier to deal with the potential energy (because it depends only on position) than to calculate the work directly.

5 0
3 years ago
The Doppler effect using ultrasonic waves of frequency 2.25 × 106 Hz is used to monitor the heartbeat of a fetus. A (maximum) be
miss Akunina [59]

Answer:

v = 2.88 \times 10^7 m/s

Explanation:

As per Doppler's effect we know that the frequency of the sound that is observed by the detector is the reflected sound

This reflected sound is given as

f' = f (\frac{v - v_h}{v + v_h})

f' = 2.25\times 10^6(\frac{v - 1540}{v + 1540})

so we know that the beat frequency is

\Delta f = 240 Hz

so we will have

f - f' = \Delta f

2.25 \times 10^6 - 2.25\times 10^6(\frac{v - 1540}{v + 1540}) = 240

1 - (\frac{v - 1540}{v + 1540}) = 1.07 \times 10^{-4}

so we have

0.99989 = (\frac{v - 1540}{v + 1540})

1.99989\times 1540 = 1.067 \times 10^{-4} v

v = 2.88 \times 10^7 m/s

4 0
4 years ago
Why does the area around the equator stay about the same temperature year round?
Verdich [7]
Axial Tilt and Sun Energy

This axial tilt means that during the Earth's journey around the sun the poles receive varying amounts of sunlight. The equator, however, receives relatively consistent sunlight all year. The consistency of energy means the equator's temperature stays relatively constant all year.
3 0
3 years ago
Changes of state occur when there is a change in:
elena-s [515]
Chemical energy, your welcome (:
8 0
3 years ago
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