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juin [17]
2 years ago
10

A phosphodiester bond is used to:

Physics
2 answers:
otez555 [7]2 years ago
8 0
I think it’s A I believe sorry if I get it wrong
bonufazy [111]2 years ago
4 0

Answer:

A. Join glycerol to fatty acids

Explanation:

I majored in Physics.

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The siren on an ambulance emits a sound of frequency 2.80×103Hz. If the ambulance is traveling at 26.0 m/s (93.6 km/h or 58.2 mi
Norma-Jean [14]

To solve this problem it is necessary to apply the concepts related to the described wavelength through frequency and speed. Mathematically it can be expressed as:

\lambda = \frac{v}{f}

Where,

\lambda = Wavelength

f = Frequency

v = Velocity

Our values are given as,

f = 2.8*10^3Hz

v = 340m/s \rightarrow Speed of sound

Keep in mind that we do not use the travel speed of the ambulance because we are in front of it. In case it approached or moved away we should use the concepts related to the Doppler effect:

Replacing we have,

\lambda = \frac{340}{2.8*10^3}

\lambda = 0.1214m

Therefore the frequency that you hear if you are standing in from of the ambulance is 0.1214m

5 0
3 years ago
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Over [174]

Answer:

hello, how are u?

Explanation:

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7 0
3 years ago
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What happens to the direction of the line joining when the object slows down ?Explain the observations​
denis-greek [22]

Answer:

it will be curved as in deceleration

Explanation:

5 0
3 years ago
Use the drop-down menus to complete the statements.
jekas [21]

Answer:

Use the drop-down menus to complete the statements.

 

When electrons are lost, a  

✔ positive

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When electrons are gained, a  

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Explanation:

4 0
2 years ago
An astronaut drops a hammer from 2.0 meters above the surface of the moon. if the acceleration due to gravity on the moon is 1.6
aivan3 [116]

Answer:

1.57 s

Explanation:

Since the motion of the hammer is a uniformly accelerated motion, the distance covered by the hammer in a time t is

S=\frac{1}{2}at^2

Where, in this case

S = 2.0 m is the distance covered

a = 1.62 m/s^2 is the acceleration due to gravity

t is the time taken

Re-arranging the equation, we can find the time the hammer takes:

t=\sqrt{\frac{2S}{a}}=\sqrt{\frac{2(2.0 m)}{1.62 m/s^2}}=1.57 s

8 0
2 years ago
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