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4 years ago

Score: The lowest possible energy position for an electron is known as the ground state.

Physics

2 answers:

vesna_86 [32]4 years ago

7 0

The statement is true

stealth61 [152]4 years ago

3 0

Answer:

Explanation:

<em>The ground stat is actually the lowest energy state of a particle.</em>

It represents the standard or fundamental state of energy of an electrol. Also, ground state can be applied to physical systems, like the whole nucleus of an atom, but still it represents the lowest energy state.

Therefore, the given statement is completely true.

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The engine in an imaginary sports car can provide constant power to the wheels over a range of speeds from 0 to 70 miles per hou

puteri [66]

Answer:

$t=5.3687\ s$ is the time taken by the car to accelerate the desired range of the speed from zero at full power.

Explanation:

Given:

Range of speed during which constant power is supplied to the wheels by the car is $0\ mph\ to\ 70\ mph$ .

Initial velocity of the car, $v_i=0\ mph$

final velocity of the car during the test, $v_f=32\ mph=14.3052\ m.s^{-1}$

Time taken to accelerate form zero to 32 mph at full power, $t=1.2\ s$

initial velocity of the car, $u_i=0\ mph$

final desired velocity of the car, $u_f=64\ mph=28.6105\ m.s^{-1}$

Now the acceleration of the car:

$a=\frac{v_f-v_i}{t}$

$a=\frac{14.3052-0}{1.2}$

$a=11.921\ m.s^{-1}$

Now using the equation of motion:

$u_f=u_i+a.t$

$64=0+11.921\times t$

$t=5.3687\ s$ is the time taken by the car to accelerate the desired range of the speed from zero at full power.

8 0

3 years ago

An object falls from a high building and hits the ground in 8.0 seconds. Ignoring air resistance, what is the distance that it f

d1i1m1o1n [39]

Answer:

310 meters

Explanation:

Given:

v₀ = 0 m/s

t = 8.0 s

a = -9.8 m/s²

Find: Δy

Δy = v₀ t + ½ at²

Δy = (0 m/s) (8.0 s) + ½ (-9.8 m/s²) (8.0 s)²

Δy = -313.6

Rounded to two significant figures, the object fell 310 meters.

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3 years ago

Give one real-life example of the Doppler Effect and explain what causes this phenomenon. Please write at least 3 complete sente

Elanso [62]

Dipper effect of an oncoming train get louder as it approaches and sound diminishes as it goes away sound traveling

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3 years ago

By what are isotopes identified?

pashok25 [27]

BBBBBBBB!!!!! ATOMIC MASSES :D

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3 years ago

Who has the best answer for this

ioda

Answer:

electricity because it has more percentage nd energy

Explanation:

mark me brainliest pl

6 0

2 years ago