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3 years ago

What is the attraction between atoms when they react called?

Physics

2 answers:

Diano4ka-milaya [45]3 years ago

6 0

The answer would be A Chemical Bond

Hope this helps ; )

nekit [7.7K]3 years ago

3 0

Answer:

Chemical bond

Explanation

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An accelerating voltage of 2.47 x 10^3 V is applied to an electron gun, producing a beam of electrons originally traveling horiz

Dmitry [639]

Answer:

6.3445×10⁻¹⁶ m

Explanation:

E = Accelerating voltage = 2.47×10³ V

m = Mass of electron

Distance electron travels = 33.5 cm = 0.335 cm

$E=\frac{mv^2}{2}\\\Rightarrow v=\sqrt{\frac{2E}{m}}\\\Rightarrow v=\sqrt{\frac{2\times 2470\times 1.6\times 10^{-19}}{9.11\times 10^{-31}}}\\\Rightarrow v=29455356.08671\ m/s$

Deflection by Earth's Gravity

$\Delta =\frac {gt^2}{2}$

Now, Time = Distance/Velocity

$\Delta =\frac {g\frac{s^2}{v^2}}{2}\\\Rightarrow \Delta =\frac{9.81\frac{0.335^2}{29455356.08671^2}}{2}\\\Rightarrow \Delta =6.3445\times 10^{-16}\ m$

∴ Magnitude of the deflection on the screen caused by the Earth's gravitational field is 6.3445×10⁻¹⁶ m

3 0

3 years ago

Why are less massive stars thought to age more slowly than more massive stars have much less fuel?

docker41 [41]

The reason being nuclear reactions are slow in less massive stars than in massive stars hence they age slowly.

8 0

4 years ago

___________ is used mainly in submarines that remain underwater

marusya05 [52]

Answer: Your correct main answer is a submarine

Explanation:

Submarines are usually used for underwater warfare, and naval submarines are equipped with torpedoes, missiles, and high-powered nuclear weapons. The use of these along with their advanced tracking system helps to target ships and boats from below as well as other enemies. They can also work on targets that are on land.

Pls mark me brainiest

7 0

2 years ago

Read 2 more answers

What is the formula for principle of moments ?

Serga [27]

Answer:

The Principle of Moments states that when a body is balanced, the total clockwise moment about a point equals the total anticlockwise moment about the same point. Moment =force F x perpendicular distance from the pivot d.

6 0

2 years ago

If a ball is thrown vertically upward with a velocity of 80 ft/s, then its height after ???? seconds is ????(????)=80????−16????

Zina [86]

Answer:

100 ft

16 ft/s

Explanation:

t = Time taken

u = Initial velocity

v = Final velocity

s = Displacement

a = Acceleration due to gravity = 32 ft/s² (negative upwards and positive downwards)

The function here is of the form which is one of the equations of motion

$s=ut+\frac{1}{2}at^2\\\Rightarrow s=80t+\frac{1}{2}32t^2\\\Rightarrow s=80t+16t^2$

From another equation of motion

$v^2-u^2=2as\\\Rightarrow s=\frac{v^2-u^2}{2a}\\\Rightarrow s=\frac{0^2-80^2}{2\times -32}\\\Rightarrow s=100\ ft$

The maximum height the ball will reach is 100 ft

When s = 96 ft

$v^2-u^2=2as\\\Rightarrow v=\sqrt{2as+u^2}\\\Rightarrow v=\sqrt{2\times -32\times 96+80^2}\\\Rightarrow v=16\ ft/s$

The velocity of the ball when it is 96 ft above the ground on its way up is 16 ft/s

On the way down when it will be 96 ft above the ground it would travel 100-96 = 4 ft from the maximum height

$v^2-u^2=2as\\\Rightarrow v=\sqrt{2as+u^2}\\\Rightarrow v=\sqrt{2\times 32\times 4+0^2}\\\Rightarrow v=16\ ft/s$

The velocity of the ball on the way down when it is 96 ft above the ground is 16 ft/s

4 0

3 years ago