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ch4aika [34]
3 years ago
6

In your egg drop you want to decrease.

Physics
2 answers:
Sonja [21]3 years ago
6 0

Answer:

c

Explanation:

Ede4ka [16]3 years ago
3 0

Answer:

B

Explanation:

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Relative formula mass of CuCO3
Elodia [21]

AnMolar mass of CuCO3 = 123.5549 g/mol

This compound is also known as Copper(II) Carbonate.

Convert grams CuCO3 to moles  or  moles CuCO3 to grams

Molecular weight calculation:

63.546 + 12.0107 + 15.9994*3

Percent composition by element

Element   Symbol   Atomic Mass   # of Atoms   Mass Percent

Copper Cu 63.546 1 51.431%

Carbon C 12.0107 1 9.721%

Oxygen O 15.9994 3 38.848%

Explanation:

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2 years ago
A skier uses a pair of poles to push himself down a ski slope. Which of the following correctly states when the skier has the mo
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A or D

Explanation:
Potential energy is when it isn’t moving. I’m only in 6th grade but, I hope this helps!
4 0
3 years ago
Which of these is NOT a common building material?
Over [174]
B Quartz. Will be your answer of thia
8 0
3 years ago
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An automobile engineer found that the impact of a truck colliding at 14 km/h with a concrete pillar caused the bumper to indent
BlackZzzverrR [31]
Hello
Here we must use the equation of motion 
v^2 = u^2 + 2as; where v is final velocity, u is initial velocity, a is the acceleratoin and is the distance travelled.
We select this one because the time of collision is unknown to us.
We know the truck stopped so its final velocity is 0; thus v = 0.
Converting the initial velocity to SI units, we get 3.89 m/s.
The distance traveled, s, is 0.062 meters.
Inserting all of these values into the equation,
0 = (3.89)^2 + 2(a)(0.062)
and solving for a, we get a to be
-122.0 ms^(-2)
The negative sign indicates the acceleration is in the opposite direction to the initial motion, which means the truck decelerated. This is consistent with the given condition.
3 0
3 years ago
The current through a certain heater wire is found to be fairly independent of its temperature. If the current through the heate
irina [24]

Answer:

(c) increase by a factor of four

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energy = power x time, and power = resistance x current ^2. 2^2 = 4.

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3 years ago
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