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Elanso [62]
3 years ago
14

Is the following hypothesis scientific? Why? "Intelligent life exists on other planets

Physics
2 answers:
Mamont248 [21]3 years ago
4 0

At the moment, that's not a scientific hypothesis, because, at the moment, it can't be tested.

mel-nik [20]3 years ago
3 0

Answer:

yes

Explanation:

The hypothesis is scientific because there is no solid evidence to draw out the theory. Therefore the idea of other intelligence on other planets is scientific until found unworthy or scientifically proven wrong enough. Hope this helps a little:)

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Once silicon burning begins to fuse iron in the core of a high-mass main-sequence star, it only has a few ________ left to live.
dmitriy555 [2]
Answer must be:

a few days left to live.
3 0
3 years ago
Suppose a 350-g kookaburra (a large kingfisher bird) picks up a 75-g snake and raises it 2.5 m from the ground to a branch. (a)
mafiozo [28]

(a) The work done by the bird to raise the snake on the branch is equal to the product between the weight of the snake and the height of the branch above the ground:

W_1 = mg h

where m=75 g=0.075 kg is the mass of the snake and h=2.5 m is the height of the branch with respect to the ground. Substituting numbers into the equation, we find

W_1 = (0.075 kg)(9.81 m/s^2)(2.5 m)=1.84 J


(b) The work the bird did to raise its own centre of mass from the ground to the branch is equal to the product between the bird's weight and the height of the branch:

W_2 = mgh

where m=350 g=0.35 kg is the mass of the bird. Substituting numbers into the equation, we find

W_2 = (0.35 kg)(9.81 m/s^2)(2.5 m)=8.58 J

6 0
3 years ago
Which of the following is a difference between sound and light?
inn [45]

Answer:

4

Explanation:

Humans can detect light and sound, also light and sound travel in waves. Light is faster than sound but sound waves cannot travel through space because there is no medium for the sound waves to travel through.

3 0
3 years ago
Read 2 more answers
A solid metal ball of radius 1.5 cm bearing a charge of -15 nC is located near a hollow plastic ball of radius 1.9 cm bearing a
blsea [12.9K]

We have that the electric field at the center of the metal ball due only to the charges on the surface of the metal ball is

E=7*10^{9}N/C

From the question we are told that

A solid metal ball of radius 1.5 cm

bearing a charge of -15 nC is located near a hollow plastic ball of radius 1.9 cm bearing

uniformly distributed charge of -7 nC

The distance between the centers of the balls is 9 cm

Generally the equation for the electric field  is mathematically given as

E=\frac{kq_2}{d^2}\\\\E=\frac{(9*10^9)7*10^{-2}}{9*10^{-2}}\\\\

E=7*10^{9}N/C

For more information on this visit

brainly.com/question/21811998

4 0
3 years ago
To become positively charged, an atom must:
blagie [28]

Answer:

D

Explanation:

Cause im smart smart and the atom is very simple just use google lol

6 0
3 years ago
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