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romanna [79]
4 years ago
10

The first man-made satellite, Sputnik 1, was launched into space in 1957. This satellite was used to study the conditions found

in the higher atmospheric layers.
Since then, other uses for satellites have been developed. One of these uses, satellite imagery, has made it possible to capture pictures of objects in space or on the Earth. The advances that created satellite imagery have led to being able to see...
A.
homes and neighborhoods.
B.
planets and moons.
C.
types of landforms.
D.
all of these
Physics
2 answers:
Alinara [238K]4 years ago
7 0

Answer:

all of these

Explanation:

Since the advent of Sputnik 1 various satellite have been developed for various reasons such as; study of the outer space, communication, surveillance etc.

Satellites for these different purposes have all been launched into space in the past years. Satellites can be used to observe all the locations mentioned in the options in the question.

LekaFEV [45]4 years ago
6 0
D. You can get satellite pictures of all of these. 
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A crate with a mass of 175.5 kg is suspended from the end of a uniform boom with a mass of 94.7 kg. The upper end of the boom is
kotykmax [81]

323.5 N is the tension in the cable.

Given

Mass of crate(M) = 175.5 kg

Mass of boom(m) = 94.7 kg

The tension, T in the cable can be calculated by taking moments of force about the central point of marked X.

The Angle of the boom with the horizontal can be calculated by

tanθ = 5/10

θ = tan⁻¹(5/10) = 26.56°

Angle of the boom with horizontal is 26.56°

The angle of cable with horizontal can be calculated by

tan B = 4/10

B = tan⁻¹(4/10) = 21.80°

Angle of cable with horizontal is 21.80°

Taking moments of force about the point X

(Mcosθ + mcosθ) 0.5 = T(sin(θ +B)1

(175.5 × cos 26.56 + 94.7 × cos 26.56 )× 0.5 = T (sin(26.56 + 21.80) X 1

By calculating, we get

Tension(T) = 241.68/0.747

Tension(T) = 323.5 N

Hence, 323.5 N is the tension in the cable.

Learn more about Tension here brainly.com/question/24994188

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8 0
2 years ago
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Vlad1618 [11]

Answer: 3A

Explanation:

First, we must calculate voltage by summing the reciprocal of the resistances in the circuit

1/40 +1/40 = 2/40 = 1/20 = 1/R, so R = 20Ω

Using Ohm's Law, I = V/R, so the current I is I = 120/20 = 6A

Using Kerchoff's Circuit Law, we know that current will split evenly at a junction, so each resistor will get one half, or 3A.

7 0
3 years ago
If the density of a diamond is 3.5 /cm^ 3 what would be the mass of a diamond whose volume is 0.5 cm ^ 3 ?
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Answer:

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Explanation:

Given parameters:

Density  = 3.5g/cm³

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Unknown:

Mass of the diamond  = ?

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Density is the mass per unit volume of a substance

  Density  = \frac{mass}{volume}  

So;

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