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Advocard [28]
3 years ago
10

_____ ions are those ions that do not change oxidation number or composition during a reaction.

Physics
2 answers:
maxonik [38]3 years ago
6 0
<span>_____ ions are those ions that do not change oxidation number or composition during a reaction.

</span><span>c. spectator</span><span>

</span>
Sladkaya [172]3 years ago
6 0

the answer is spectator

(funny since human spectators do the same thing stand by and just watch)

also i took the test

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A man pushes a lawn mower on a level lawn with a force of 195 N. If 37% of this force is directed downward, how much work is don
densk [106]

Answer:

W = 1032.6 J

Explanation:

Net force by which man push the lawn mower is given as

F = 195 N

now it is given that 37% of this force is vertically downwards

so we will have

F_y = 0.37 \times 195

F_y = 72.15 N

now we also know that

F_x^2 + F_y^2 = F^2

here we have

F_x^2 + 72.15^2 = 195^2

F_x = 181.2 N

Now work done by this force to move the lawn mower is given as

W = F_x . d

W = (181.2)(5.7 m)

W = 1032.6 J

7 0
3 years ago
Name 7 characteristics that are unique to mammals.
SSSSS [86.1K]
Mammals are endothermic vertebrates
Have hair and fur on the body
Have mammary glands
Four chambered hearts
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3 0
3 years ago
Read 2 more answers
If the distance between two objects is increased,the gravitational attraction between them will.....?
tia_tia [17]

The attraction will decrease. Hope I helped :)

4 0
3 years ago
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Marissaâs car accelerates uniformly at a rate of +2.60 m/s². How long does it take for Marissaâs car to accelerate from a speed
DIA [1.3K]

Answer:

The time taken by the car to accelerate from a speed of 24.6 m/s to a speed of 26.8 m/s is 0.84 seconds.

Explanation:

Given that,

Acceleration of the car, a=+2.6\ m/s^2

Initial speed of the car, u = 24.6 m/s

Final speed of the car, v = 26.8 m/s

We need to find the time taken by the car to accelerate from a speed of 24.6 m/s to a speed of 26.8 m/s. The acceleration of an object is given by :

t=\dfrac{v-u}{a}

t=\dfrac{(26.8-24.6)\ m/s}{2.6\ s}

t = 0.84 seconds

So, the time taken by the car to accelerate from a speed of 24.6 m/s to a speed of 26.8 m/s is 0.84 seconds. Hence, this is the required solution.                                    

4 0
3 years ago
A stone is thrown vertically upwards. It decelerates at a rate of 9.8m/s. It reaches a greatest
frez [133]

Answer:

18

Explanation:

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