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o-na [289]
3 years ago
15

There are several different models that represent compounds. One type of model is shown.What type of model is shown?a structural

formulaa chemical formulaa space-filling modela ball-and-stick model

Physics
2 answers:
Inessa [10]3 years ago
8 0

Answer:

D.

Explanation:

Finger [1]3 years ago
3 0

Answer: Option (d) is the correct answer.

Explanation:

A model in which a spheres resemble ball are attached with the sticks is known as a ball-and-stick model.

In this models, balls represents the atoms present whereas sticks represent the bonds between the toms.

Thus, we can conclude that out of the given options, type of model is shown is a ball-and-stick model.

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Question 9(Multiple Choice Worth 3 points)
ASHA 777 [7]

Answer:

Conduction

Conduction is the movement of heat through a substance by the collision of molecules. At the place where the two object touch, the faster-moving molecules of the warmer object collide with the slower moving molecules of the cooler object.

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3 years ago
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A 20-pound object is dropped from a 50-foot bridge onto the ground below it. A 50-pound object is dropped from a 100-foot cliff
Anvisha [2.4K]

Answer:

here 20 lb object will hit the ground first

Explanation:

Acceleration of the object while it is dropped in air is given as

F = mg

a = \frac{F}{m}

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so acceleration of the object is independent of the mass of the object

now time to reach the ground is given as

h = \frac{1}{2}gt^2

t = \sqrt{\frac{2h}{g}}

for 20 pound object

t_1 = \sqrt{\frac{2(50)}{32}}

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for 50 pound object

t_2 = \sqrt{\frac{2(100)}{32}}

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3 years ago
Which liquid has a higher density; shampoo or rubing (isopropyl) alcohol?
statuscvo [17]
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4 years ago
Which is an acid?
kykrilka [37]
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3 0
3 years ago
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Pls help, i really dw fail :(​
In-s [12.5K]

Answer:

Using the Newton equation

V²=U² +2as

Given; V=9.2m/s U = 0m/s( because it starts from rest)

S=26.2m.

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a =9.2²/2(26.2)

a=84.6/52.4

a=1.60m/s²

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