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shtirl [24]
3 years ago
9

How many atoms are in Cu3(PO4)2

Physics
2 answers:
nasty-shy [4]3 years ago
8 0
3Cu + 2P + 4×2 O
=13 atoms
anastassius [24]3 years ago
5 0
The answer is 24 atoms
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Since all stars begin their lives with the same basic composition, what characteristic most determines how they will differ?
Dafna1 [17]
4. Mass they are formed with
7 0
3 years ago
What is the force of gravity acting on a 1-kg m mass? (g = 9.8 m/s ^ 2)
Ksenya-84 [330]

Answer: Use this F=Ma.

Explanation: So your answer will be

F=1 Kg+9.8 ms-2

So the answer will be

F=9.8N

How'd I do this?

I just used Newton's second law of motion.

I'll also put the derivation just in case.

Applied force α (Not its alpha, proportionality symbol) change in momentum

Δp α p final- p initial

Δp α mv-mu (v=final velocity, u=initial velocity and p=v*m)

or then

F α m(v-u)/t

So, as we know v=final velocity & u= initial velocity and v-u/t =a.

So F α ma, we now remove the proportionality symbol so we'll add a proportionality constant to make the RHS & LHS equal.

So, F=<em>k</em>ma (where k is the proportionality constant)

<em>k</em> is 1 so you can ignore it.

So, our equation becomes F=ma

7 0
3 years ago
Because of friction, it required 6818.2 N to move a trailer 542 meters. How much work was accomplished?
nikklg [1K]

Answer:

The answer to your question is W = 3695464.4 J

Explanation:

Mechanical work is the force applied to an object multiply by the distance this object move as a consequence of the force.

Formula

Work = W (J)

Force = F (N)

distance = d (m)

                     W = F x d

Substitution

F = 6818.2 N

d = 542 m

                    W = 6818.2 x 542

Simplification and result

                    W = 3695464.4 J

5 0
3 years ago
A student performs experiements on acids and bases. What is not a scientific experiment
seraphim [82]
The answer you are looking for would be C. "She asks her lab partner which base he thinks is hardest to study" 

This is the correct option out of the other choices. 
A. She uses a acid-base indicator to measure the pH of four different solutions 
B. She mixes two solutions and measures their pH before and after 
C. She asks her lab partner which base he thinks is the hardest to study
D. She measures the temperature of a solution before and after adding H2SO4
7 0
3 years ago
A car travels on a banked circular curve at constant speed. All four of the car's tires roll without slipping. The car moves at
kvv77 [185]

Answer:

b. The horizontal component of the normal force acts toward the center of the circle.

Explanation:

When a car on a banked turn move with just the right speed so that the frictional force is zero, a component of the normal force -which is always perpendicular to the surface- acts as the centripetal force on the car. This is because the normal force now has a horizontal component, and this component supplies the centripetal force.

7 0
3 years ago
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