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4 years ago

Two disadvantages of spreadsheet

Physics

2 answers:

vodka [1.7K]4 years ago

7 0

It require so much time for maintenance, substantial startup reliant on the database

liraira [26]4 years ago

3 0

One disadvantage of spreadsheet is Vulnerable to fraud. Many company losses billion-dollars due to Fraudulent manipulation in company excel. The reason behind this spreadsheet vulnerability is lack of controls, which makes it so easy to alter formulas , values or dependencies without being detected. Another disadvantage is Susceptible to trivial human errors. Sometimes you may missed negative signs and misaligned rows may sound harmless.

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If an atom had 35 protons in the nucleus how many electrons will it have orbiting the nucleus ?

Amanda [17]

Answer:

If it isn't an ion it should have 35 elektrons to cancel the positivity of the nucleus.

7 0

3 years ago

Read 2 more answers

Which wave diffracts the most when encountering an obstacle?

viva [34]

Answer;

-A wave with the longest wavelength.

Explanation;

-Diffraction is the apparent of wave through,around small obstacles and the spreading out of wave past small openings. When thinking of diffraction of a wave think of shining a flashlight around a corner. The light bends around the corner but there is a place where it is dark and the light does not hit. Diffraction of a wave is basically the wave bending around an object then dispersing out.

-The amount of diffraction (the sharpness of the bending) increases with increasing wavelength and decreases with decreasing wavelength. When the wavelength of the waves is smaller than the obstacle, no noticeable diffraction occurs.

8 0

3 years ago

Why does the sound of something moving away from you seem to change to lower and lower pitch

lesantik [10]

The doppler effect.
You are welcome.

3 0

3 years ago

The radius of Venus (from the center to just above the atmosphere) is 6050 km (6050✕103 m), and its mass is 4.9✕1024 kg. An obje

Alecsey [184]

Answer:

(a) The initial speed required is 13116 m/s

(b) The escape speed is 10394 m/s

This problem involves the application of newtons laws of gravitation. The forces in action here are conservative and as a result mechanical energy is conserved.

The full calculation can be found in the attachment below.

Explanation:

In both parts (a) and (b) the energy conservation equation were used. Assumption was made that when the object is very far from the planet the distance from the planet's center approaches infinity and the gravitational potential energy approaches zero.

The calculation can be found below.

6 0

3 years ago

Gamma rays x rays visible light and radio waves are all types of

bazaltina [42]

Answer:

Electromagnetic waves

Explanation:

Electromagnetic waves are waves that consist of oscillating electric and magnetic fields, that oscillate perpendicularly to each other and perpendicularly to the direction of propagation of the wave (for such a reason, these waves are also called transverse waves).

Electromagnetic waves always travel in a vacuum at the same speed, called speed of light:

$c=3.0\cdot 10^8 m/s$

and they are classified into 7 different types, according to their frequency. From lowest to highest frequency, we have:

Radio waves

Microwaves

Infrared

Visible light

Ultraviolet

X-rays

Gamma rays

Therefore, gamma rays, x-rays, visible light and radio waves are all types of electromagnetic waves with different frequencies.

6 0

3 years ago