The answer is the suns gravity
On Earth, the period of a pendulum is given by:

where L is the length of the pendulum and

is the gravitational acceleration on Earth.
Similarly, the period of the same pendulum on Mars will be

where

is the gravitational acceleration on Mars.
Therefore, if we want to see how does the period of the pendulum on Mars change compared to the one on Earth, we can do the ratio between the two of them:

Therefore, the period of the pendulum on Mars will be 1.63 times the period on Earth.
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"<u>some of the effects of urbanization</u>"
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Sound waves travel around the boxed room causing them to bounce of the nearest walls to the end of the room>
As the angle the plane makes with the horizontal is increased, the magnitude of the force of static friction between the block and the plane (2) increases
<h3>Static frictional force</h3>
Since the static frictional force between the block and the plane is given by F = μN where
- μ = coefficient of static friction and
- N = normal force on plane = component of weight of block perpendicular to the plane = Wcosθ where
- W = weight of block and
- θ = angle of inclined plane
Now, F = μN
F = μWcosθ
Since μ and W are constant, we see that
F ∝ cosθ and cosθ ∝ θ
So, F ∝ θ
Since the static frictional force is directly proportional to the angle the plane makes with the horizontal, when the angle the plane makes with the horizontal is increased, the static friction between the block and the plane increases.
So, As the angle the plane makes with the horizontal is increased, the magnitude of the force of static friction between the block and the plane (2) increases
Learn more about static frictional force here:
brainly.com/question/25958331