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slega [8]
2 years ago
13

Classify each of the following hydro carbons as alkane,alkene or alkyne

Physics
1 answer:
timofeeve [1]2 years ago
5 0

Answer:

a.)alkene

b.)alkane

d.)alkana

about c..I think there is something wrong with the question

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31. Draw a free body diagram for a 15.5N box that is being pushed to the right with a 18. N force while experiencing 4.30 N of r
posledela

Answer:

See answers below

Explanation:

a.

F = mg,

15.5 N = m(9.8 m/s²)

m = 1.58 kg

b.

Fnet = Applied force - resistance,

Fnet = 18 N - 4.30 N,

Fnet = 13.70 N

Fnet = ma

13.70 N = (1.58 kg)a

a = 8.67 m/s²

For the free body diagram, draw a box with an upward arrow labeled 15.5 N, a downward label labeled 15.5 N, a right label labeled 18 N, and a left label labeled 4.30 N.

7 0
2 years ago
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Vlad1618 [11]

Answer:

Options 1 and 5 are correct

Explanation:

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Electric field lines originate at the positive charges and terminate at the negative charges. They move in a straight line and are parallel. Electric field lines neither form closed loops nor intersect.

Since, magnetic field lines form closed loops and move from North to South pole, they come out of north poles outside the magnet and into north poles inside the magnet, they also go into south poles outside the magnet and out of south poles inside the magnet.

3 0
3 years ago
A plucked guitar string produces a sound wave with a wavelength of 0.15 m and a velocity of 10.5 m/s, what is the frequency of t
Leno4ka [110]
We know,
V= f× wavelength
10.5= f×0.15
f=10.5/0.15
f= 70 Hz
8 0
3 years ago
you need to measure the length of your driveway. which measuring tool would you produce accurate results that you would expectto
lesantik [10]
I’d assume a tape measure?
3 0
3 years ago
Read 2 more answers
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I think its D answer

sorry I dont have explanation but I think its D

6 0
2 years ago
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