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3 years ago

Identify the role of each organism in the food chain.

Physics

2 answers:

Troyanec [42]3 years ago

5 0

Answer:

primary consumer, secondary consumer, tertiary consumer, producer, decomposer

Explanation:

the grass is the producer, the mushroom is the decomposer, the dragonfly is the primary consumer, the frog is the secondary, and the hawk is the tertiary consumer.

Stels [109]3 years ago

3 0

Answer:

If the dragonfly eats grass, the frog eats the dragon fly, the snake eats the frog, and the hawk the snake. That means:

dragonfly - consumer

frog - consumer

grass - producer

hawk - consumer

If the mushrooms decompose dead organisms. That means:

mushrooms - decomposer

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Suppose that a sound source is emitting waves uniformly in all directions. If you move to a point twice as far away from the sou

Helen [10]

Answer:

<em>d. unchanged.</em>

Explanation:

The frequency of a wave is dependent on the speed of the wave and the wavelength of the wave. The frequency is characteristic for a wave, and does not change with distance. This is unlike the amplitude which determines the intensity, which decreases with distance.

In a wave, the velocity of propagation of a wave is the product of its wavelength and its frequency. The speed of sound does not change with distance, except when entering from one medium to another, and we can see from

v = fλ

that the frequency is tied to the wave, and does not change throughout the waveform.

where v is the speed of the sound wave

f is the frequency

λ is the wavelength of the sound wave.

4 0

2 years ago

Which of the following examples describes a situation where a car is experiencing a net force?

Lapatulllka [165]

Where are the options?

8 0

2 years ago

Increasing the two objects will cause the gravitational force between the objects to decrease.

ELEN [110]

This statement is false. Increasing the two objects' mass (I'm guessing) will actually increase their gravitational force. This is because of the equation:

$F_g = \frac{Gm_1m_2}{d^2}$

If the distance was increased, then the statement would be true, but since you are increasing mass, which is proportional to the Force of Gravity, you are in fact, increasing the gravitational force between the two objects.

4 0

3 years ago

Read 2 more answers

particle of mass 59 g and charge 51 µC is released from rest when it is 32 cm from a second particle of charge −14 µC. Determine

AleksAgata [21]

Answer:

The initial acceleration of the 59g particle is $1062.7\frac{m}{s^{2}}$

Explanation:

Newton's second laws relates acceleration (a), net force(F) and mass (m) in the next way:

$F=ma$ (1)

We already know the mass of the particle so we should find the electric force on it to use on (1), the magnitude of the electric force between two charged objects by Columb's law is:

$F=k\frac{\mid q_{1}q_{2}\mid}{r^{2}}$