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3 years ago

The dark, smooth surface areas of the Moon are known as

1 answer:

Alex3 years ago

7 0

The dark, smooth surface areas of the Moon are known as C. maria. Although they are a type of craters, they are not called that way, but rather their name is maria, because scientists who first researched this areas thought they were seas or oceans. In Latin, the word for sea is mare, and plural is maria, which is why these areas are also called that way because they resemble these waters.

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A bungee jumper attains a speed of 30 m/s just as the bungee cord begins to stretch. If the period of stretch is 2 s while comin

Daniel [21]

Answer:

1.53 g

Explanation:

Given,

Initial speed = 30 m/s

Final speed = 0 m/s

Period of stretch, t = 2 s

average deceleration = ?

we know

$a = \dfrac{v-u}{t}$

$a = \dfrac{0-30}{2}$

a = -15 m/s²

Deceleration of the jumper = 15 m/s²

Deceleration in terms of g

$= \dfrac{15}{9.81}$

$= 1.53\ g$

Hence, the deceleration of the jumper is equal to 1.53 g

7 0

3 years ago

In an experiment to measure the acceleration due to gravity, g two values, 9.96 m/s2 and 9.72 m/s2 , are determined. Find (1) th

alexira [117]

Answer:

(1) Percent Difference = 2.47%

(2) Percent Error (9.96 m/s²) = 1.63 %

Percent Error (9.72 m/s²) = 0.82 %

(3) Percent Error (Mean) = 0.41 %

Explanation:

(1)

Percent Difference = [(9.96 m/s² - 9.72 m/s²)/(9.72 m/s²)]*100 %

Percent Difference = 2.47%

(2)

Percent Error = (|Measured Value - Original Value|/Original Value)*100%

Therefore,

Percent Error (9.96 m/s²) = (|9.96 m/s² - 9.8 m/s²|/9.8 m/s²)*100%

Percent Error (9.96 m/s²) = 1.63 %

Now,

Percent Error (9.72 m/s²) = (|9.72 m/s² - 9.8 m/s²|/9.8 m/s²)*100%

Percent Error (9.72 m/s²) = 0.82 %

(3)

First we need to find the mean of values:

Mean = (9.96 m/s² + 9.72 m/s²)/2

Mean = 9.84 m/s²

Therefore,

Percent Error (Mean) = (|9.84 m/s² - 9.8 m/s²|/9.8 m/s²)*100%

Percent Error (Mean) = 0.41 %

8 0

3 years ago

Explain what physicists mean when they say that the de Broglie wavelength relates to the probability distribution wave function.

Ksju [112]

Answer:

Because it unites particle and wave nature.

Explanation:

De Broglie wavelength can be defined as the,

$\lambda =\frac{h}{mv}$

Here, h is planks constant, m is the mass of electron, v is the velocity of electron.

Since the de Broglie wavelength can behave like the photon wavelength with respect to the momentum

It unites particles and waves nature ,so De Broglie wavelengths is probability waves associated with the wave function according to physicists.

7 0

2 years ago

Can someone please help me?? i’ll give brainilist

Ksivusya [100]

Probably 90 j but im not sure I haven’t done any work like this in a while

7 0

2 years ago

A 10 ohms, a 7 ohms and a 14 ohms resistor are connected in series with a 24 V battery. Calculate the equivalent resistance. Ans

Aloiza [94]

Answer:

31ohms

Explanation:

in a series u add all the ohms together

5 0

2 years ago