Astronomy can best be described as a/an

2 answers:

7 0

C., cause stars aren't located in earth's atmosphere or " the interior part of Earth" and daily horoscope is a more astrology thing, and Air Force pilot on a Naval carrier? Come on now.

cupoosta [38]4 years ago

3 0

C. study of objects beyond the Earth's atmosphere. Astronomy studies space, stars, planets and asteroids, doesn't it?

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The best leaper in the animal kingdom is the puma, which can jump to a height of 3.7m when leaving the ground at an angle of 45

zheka24 [161]

Answer:

v = 12 m/s

Long, boring, and convoluted explanation:

First, let's lay out our information.

- max height = 3.7 m

- 0 = 45°

- gravitational acceleration constant = 9.8 $\frac{m}{s^2}$

Since the puma leaves the ground at a 45 ° angle, its motion will follow a curved path as seen in many projectile motion problems, where the object is being influenced solely by the force of gravity. And because the puma leaves the ground at an angle, its initial velocity is broken down into its horizontal and vertical components. We were also told, though indirectly, that the max height is 3.7m because the puma can reach up to that height. Gravity is always given to be 9.8 $\frac{m}{s^2}$

Because we are dealing with maximum height and gravity, we have to use the vertical component of the velocity, vsin ( θ ) , and not the horizontal component, vcos ( θ ) .

Given its max height, the acceleration due to gravity, and the angle, we can now solve for the speed at which the puma leaves the ground using the following equation: vsin ( θ ) = $\sqrt{2hg}$

Where vsin ( θ ) is the vertical component of the initial velocity and h and g are max height and gravitational acceleration constant respectively.

Plugin, rearrange and solve

v sin ( θ ) = $\sqrt{2hg}$

v sin ( 45 ∘ ) = √ 2 × 3.7 × 9.8

v ( 0.71 ) = $\sqrt{72.52}$

v ( 0.71 ) = 8.52

v = 8.52 /0.71

v = 12 m s

4 0

3 years ago

Rainfall in tropical rainforests amounts to about 10 to 14 feet per year.

Savatey [412]

Answer:

The statement is true statement

Explanation:

Tropical rainforests are dry and green throughout the year. Even between the day and the night, temperatures don't change much. in tropical rainforests The average temperature varies from 70 to 85 °F (21 to 30 °C) .

Throughout tropical rainforests, the climate is quite wet, maintaining a humidity level of 77% to 88% year around which is a high value. The annual rainfall is between 80 and 400 inches (200 and 1000 cm), that is 6-33 feets, and it can rain heavily. It can drain as much as 5 cm (2 inches) in an hour.