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mamaluj [8]
3 years ago
15

Describe Darwin’s observations on the Galápagos islands during his voyage on the HMS Beagle.

Physics
1 answer:
Helen [10]3 years ago
4 0

Answer:

During the voyage Charles Darwin explored the Galapagos islands and noticed the same species have different adaptations in places. ... Charles noticed that each species has the same ancestor but they evolve to adapt over time so they can live longer.

Explanation:

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Which of the following BEST summarizes the relationship between groups and culture and critical thinking?
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Answer:

Groups and culture helps in influencing our values,ethics and beliefs. This influence should always be questioned through the process of thinking critically.

This best summarizes the relationship between groups and culture and critical thinking.

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3 years ago
A student performs a lab measuring the velocities of toy cars of different masses
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The answer is Car 1 and Car 2.
5 0
4 years ago
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A constant current source supplies a electric current of 200 mA to a load of 2kΩ. When the load changed to 50Ω, the load current
serious [3.7K]

Answer:

700ma

Explanation:

all u do is have to add them up.

4 0
3 years ago
If the mass of an object on Earth is 18 grams, what would the mass of the same object be on the Moon?
Tanya [424]

Answer:18 grams

Explanation:

The mass of an object doesn't change,it is the same everywhere irrespective of it location,therefore if the mass of an object in earth is 18 grams, the mass of the object in the moon will also be 18 grams

4 0
3 years ago
A spring with spring constant k is suspended vertically from a support and a mass m is attached. The mass is held at the point w
garik1379 [7]

Answer:

The oscillation frequency of the spring is 1.66 Hz.

Explanation:

Let m is the mass of the object that is suspended vertically from a support. The potential energy stored in the spring is given by :

E_s=\dfrac{1}{2}kx^2

k is the spring constant

x is the distance to the lowest point form the initial position.

When the object reaches the highest point, the stored potential energy stored in the spring gets converted to the potential energy.

E_P=mgx

Equating these two energies,

\dfrac{1}{2}kx^2=mgx

\dfrac{k}{m}=\dfrac{2g}{x}.............(1)

The expression for the oscillation frequency is given by :

f=\dfrac{1}{2\pi}\sqrt{\dfrac{k}{m}}

f=\dfrac{1}{2\pi}\sqrt{\dfrac{2g}{x}} (from equation (1))

f=\dfrac{1}{2\pi}\sqrt{\dfrac{2\times 9.8}{0.18}}

f = 1.66 Hz

So, the oscillation frequency of the spring is 1.66 Hz. Hence, this is the required solution.

8 0
4 years ago
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