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Kisachek [45]
2 years ago
5

Deanna stirred a teaspoon of sugar into a glass of warm water. The sugar completely dissolved in the water. Select 3 statements

below that are TRUE about the dissolved sugar.
A) The sugar chemically combines with the water to form a new substance
B) The sugar can be separated from the water
C) The sugar molecules are spread out amongst the water molecules
D) The sugar turns into water molecules
E) The sugar melts
F) The sugar and water form a mixture
G) The sugar loses mass
H) The sugar breaks down into the individual atoms that make up sugar
I) The sugar disappears and no longer exists


Please don't give me links for the answers or random words bc i will report u and u will lose points!
Physics
1 answer:
larisa [96]2 years ago
8 0

Answer:

B, C, F

Explanation:

B: Sugar can be separated from the water by evaporating the water. This will leave large chunks of sugar.

C: Sugar gets spread out among the water.

F: Sugar water is a homogeneous <u>mixture. </u>Can't see the individual components because of the dissolving.

Hoped this helped! :)

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Answer:

3kg

Explanation:

impulse = MV

then

m1v1=m2v2

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then

m2=1.2*25/10

m2=<em>3</em><em>0</em><em>k</em><em>g</em><em>/</em><em>/</em>

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2 years ago
The graph below represents the relationship between speed and time for an object moving along a straight line. What is the total
KiRa [710]

The distance travelled by the object during the first 4 seconds is 80 m

<h3>Definition of speed </h3>

Speed is defined as the distance travelled per unit time. Mathematically, it can be expressed as:

Speed = distance / time

With the above formula, we can obtain the distance travelled by the object in the first 4 seconds.

<h3>How to determine the distance travelled </h3>
  • Speed = 20 m/s
  • Time = 4 s
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Speed = distance / time

20 = distance / 4

Cross multiply

Distance = 20 × 4

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What is the speed of rocket that travels 9km in 10 seconds​
zysi [14]

Answer:

900

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4 0
3 years ago
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If the window is 11 m above the ground, find the time the stone is in flight.
rjkz [21]
d=vi*t+(1/2)gt²

d=11 m
g=9.8 m/s²
vi=0 m/s

11 m=0 m/s*t+(1/2)9.8 m/s²t²
11 m=4.9 m/s²t²
t²=11 m / 4.9 m/s²
t=√(11 m / 4.9 m/s²)=1.489... s≈1.5 s

Answer: the time the sone is in flight is 1.5 s
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3 years ago
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