Atoms are electrically neutral because there are an equal number of protons in the nucleus and In the cloud around the nucleus

Physics

1 answer:

Alborosie3 years ago

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Answer:

Atoms are electrically neutral because there are an equal number of protons in the nucleus and In the cloud around the nucleus.

Explanation:

The atoms that are the building block of matter consist of protons, neutrons, and electrons.
The protons are positively charged and the electrons are negatively charged particles.
The neutrons are negatively charged particles.
The atoms in its stable natural state consist of an equal number of protons and electrons.
Thus an atom has a neutral charge in its natural state.

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Two fish swimming in a river have the following equations of motion:

IRINA_888 [86]

Answer:

The second fish, X2, is moving faster than the first fish, X1

Explanation:

The given parameters for the equation of motion of the fishes are;

X1 = -6.4 m + (-1.2 m/s)×t

X2 = 1.3 m + (-2.7 m/s)×t

The given equation are straight line equations in the slope and intercept form, where the slope is the speed and in m/s and the intercept is the starting point of swimming of the fishes

For the first fish, the intercept = -6.4 m, the slope = the speed = -1.2 m/s

For the second fish, the intercept = 1.3 m, the slope = the speed = -2.7 m/s

Whereby the fishes are swimming in the opposite direction of the measurement of length, we have;

The magnitude of the speed of the second fish $\left | -2.7 \ m/s \right | = 2.7 \ m/s$ , is larger than the magnitude of the speed of the first fish $\left | -1.2 \ m/s \right | = 1.2 \ m/s$