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4 years ago

If the distance between two objects is increased,the gravitational attraction between them will.....?

Physics

2 answers:

Archy [21]4 years ago

5 0

Attraction will decrease

tia_tia [17]4 years ago

4 0

The attraction will decrease. Hope I helped :)

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Intersystem crossing is:

Semenov [28]

An intersystem crossing (ISC) is a non-radiative process that involves the transition between two electronic states with different spin multiplicity. That is, when an electron is excited in a molecule in a basal singlet state (either by absorption or radiation) into a state of greater energy, an excited singlet or triplet state can be obtained.

Therefore, ISC is understood as an a non radio active transition between states with different spin multiplicity.

Correct answer is C: a radiative transition between states with the same spin.

8 0

4 years ago

a driver brings a car to a full stop in 2.0 s. if the car was initially traveling at 22 m/s, what is the acceleration

Nuetrik [128]

Answer: what is it?

Explanation:

4 0

3 years ago

Read 2 more answers

A child bounces a 48 g superball on the sidewalk. The velocity change of the superball is from 28 m/s downward to 17 m/s upward.

Aliun [14]

Answer:

F = 1.2×10⁻³ N

Explanation:

From the question,

Applying newton's second law of motion,

F = m(v-u)/t................... Equation 1

Given: F = magnitude of the average force exerted on the ball, m = mass of the ball, v = final velocity, u = initial velocity, t = time of contact.

Note: let downward be negative and upward be positive.

Given: m = 48 g = 48/1000 = 0.048 kg, v = 17 m/s, u = -28 m/s (downward),

t = 1800 s

Substitute into equation 1

F = 0.048(17-[28])/1800

F = 1.2×10⁻³ N

7 0

3 years ago

Use vector notation to describe the points that lie in the configuration. (Let s and t be elements of the Reals). the plane span

aniked [119]

Answer:

The answer is l(s, t) = (2s,7s + 2t,7t)

Explanation:

A general vector notation that can describe the points which lie in the configuration of the plane spanned by v1 and v2, is evaluated, thus:

V = v1 + v2

Where s and t are the elements of v1(2,7,0) and v2(0,2,7), respectively, and projected in x, y and z coordinates, we have:

V = sv1 + sv2, implying that:

V = (2sx + 7sy + 0sz) + (0tx + 2ty + 7tz)

Or, V= (2sx + 7sy) + (2ty + 7 tz)

Therefore, V = (2s,7s + 2t,7t)

and l(s, t) = (2s,7s + 2t,7t).

5 0

3 years ago

If the average density of the Universe is small compared with the critical density, the expansion of the Universe described by H

Ratling [72]

(a) v=HR defines the Hubble constant. According to R=vt, the gap R between any two far-separated objects opens at a constant speed. The time interval t since the Big Bang is then calculated.

v=HvΔt→Δt= $\frac{1}{H}$

<h3>What exactly is the Hubble constant?</h3>

Hubble constant, in cosmology, a proportionality constant in the relationship between the velocities of distant galaxies and their distances.
It expresses the rate of expansion of the universe. It is represented by the symbol $H_{0}$ , with the subscript indicating that the value is measured at the present time, and is named after Edwin Hubble, an American astronomer who attempted to measure its value in 1929.
Hubble established the cosmological velocity-distance law using redshifts of distant galaxies measured by Vesto Slipher, also of the United States, and his own distance estimates for these galaxies:

$H_{0}$ distance = velocity

To learn more about Hubble constant refer to

brainly.com/question/26117248

#SPJ4

7 0

2 years ago