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3 years ago

6

Verify the claim that, in terms of gigaelectronvolts, the mass of an mass of an electron is 0.000511

1 answer:

Mashutka [201]3 years ago

7 0

<span>Gigaelectron-volts is a unit of measurement of energy, the abbreviation of gigaelectron-volts is Gev . </span>Thank you for posting your question here. Below is the solution:

0.5109989 MeV=mass of electron in (million electron volts)

0.5109989/1000=.0005109989 GeV (Giga=billion electron volts)

Hope it helps.

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A big-screen TV that previously sold for $2,400 has been marked down to $2,040. What is the percent of decrease?

Hitman42 [59]

[~Answer~] (8.):
Heyyy. I'm Avery, and I'm always here to help!

I believe the percent may be 15% ($2,400 - 15% = $2,040)

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[~Answer Explanation~}:

The percent of the difference is the rate of the difference * 100%

the percent of the difference = .15 * 100% = 15%

since the new price is less than the old price, that is the percent of the decrease.

(See if it'll work): $2,400- 15% = $2,040

And there's your answer <33

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<em>Hope this helped you <333
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2 years ago

A man has 1/2 of a kilogram of rice. He shares it equally amongst 6 people. How many kilograms does each person get? Input your

Degger [83]

Answer:

1/12

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Two gears in a machine are aligned by a mark drawn from the center of one gear to the center of the other. If the first gear has

Aleksandr [31]

Answer:

5

Step-by-step explanation:

for the first gear

revolutions/teeth

1 / 24

2 / 48

3 / 72

4 / 96

5 / 120

6 / 144

for the second gear

revolutions/teeth

1 / 40

2 / 80

3 / 120

4 / 160

<em>the two marks will meet after 120 teeth, 5 revolutions of the first gear and 3 revolutions of the second.</em>

the way to get that amount of teeth is

$24 = 2 \times 2 \times 2 \times 3 = {2}^{3} \times 3$

$40 = 2 \times 2 \times 2 \times 5 = {2}^{3} \times 5$

the Least Common Multiple equals the product of all factors, but those factors who are repeted for both numbers should be only once.

${2}^{3} \times 5 \times 3 = 120$

120 teeth are 5 revolutions for gear1 and 3 por gear2

8 0

3 years ago

Give the largest interval over which the general solution is defined. (Think about the implications of any singular points. Ente

Leto [7]

Complete Question

The complete question is shown on the first uploaded image

Answer:

a

No singular point due to the exponent in the solution

The interval is $-\infty$

b

NONE

Step-by-step explanation:

From the question we are told that

$\frac{dy}{dx} = 9y$

The generally solution is mathematically represented as

$\frac{dy }{dx} = 9y$

=> $\frac{dy}{y} = 9dx$

integrating both sides

$\int\limits {\frac{ dy}{y} } \, = \int\limits {9} \, dx$

=> $lny = 9x + c$

=> $y = e^{9x +c }$

=> $y = e^{9x} e^{c}$

Here $e^c = C$

=> $y = C e^{9x}$

From the above equation we see that the domain for x has no singular point the interval is

$-\infty$

Also there is no transient term in the general solution obtained because as $x \to \infty$ there no case where $y \to 0$

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3 years ago

5.<br>Find the sum of all two - digit natural numbers which are divisible by 3.

kykrilka [37]

Answer:

1665

Step-by-step explanation:

This is AP, where:

First term is: 12= 3*4
Last term is: 99= 3*33
Common difference is: 3
Number of terms is: 33- 3= 30 (because the 4th term is included)

S=1/2*30(12+99)= 1665

The sum of all two - digit natural numbers which are divisible by 3 is 1665

3 0

3 years ago