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Nostrana [21]
2 years ago
7

Draw vectors to represent these motions:moving 3 cm to the rightmoving 2 cm to the left

Physics
1 answer:
Ira Lisetskai [31]2 years ago
7 0
Vector. Oh yeeeeeeeeahhh
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The more active a cell is, the more of these structures it has.
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Answer:pretty sure its mitochondria

Explanation:

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3 years ago
What is the average electric current in a wire, when a charge of 150 C passes in 30 s?
NARA [144]
We know, I = Q / t
Here, Q = 150 C
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Substitute their values, 
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I = 5 A

In short, Your Answer would be 5 Ampere

Hope this helps!
7 0
3 years ago
PLEASE HELP IM UNSURE OF WHAT THE ANSWER IS
katovenus [111]

Answer:

The horizontal forces (Cols 2 & 3) balance for W and Y.

The vertical forces (Cols 1 & 4) also balance for W and Y.

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2 years ago
Find the force necessary to start the crate moving, given that the mass of the crate is 32 kg and the coefficient of static fric
fiasKO [112]

Answer:

178.75 N

Explanation:

The force necessary to start moving the crate must be equal to or more than the frictional force (resistive force) acting on the crate but moving in an opposite direction to the frictional force.

So, we find the frictional force, Fr:

Fr = -μmg

Where μ = coefficient of friction

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g = acceleration due to gravity

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Fr = -0.57 * 32 * 9.8

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Hence, the force necessary to move the crate must be at least equal to but opposite in direction to this frictional force.

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3 0
2 years ago
A negatively charged iron ball on the end of a plastic rod exerts a strong attractive force on a penny even though the penny is
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The negatively charged rod cause charge migration within the penny. So, the protons and electrons in the penny move to seperate sides of the penny with the protons on the side closest to the iron ball. Then the penny could have been touched by a person or another object to ground the penny, removing the excess electrons in the penny. This is called charging by induction. So after grounding, the penny becomes positively charged. Opposite charges attract
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