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skad [1K]
3 years ago
5

The man is pushing with a force of 75 N. The rock is not moving. This is an example of what kind of force?

Mathematics
1 answer:
olasank [31]3 years ago
3 0

Answer: Balanced Force

Step-by-step explanation:

The rock is not moving, this means that the rock is not accelerated.

By the second Newton's law, we know that:

Force equals mass times acceleration.

Then if we do not have acceleration, means that the net force is equal to zero.

This happens when we have balanced forces, meaning that the normal force that does the rock when the man pushes it, is equal in magnitude but in opposite direction, so the net force is equal to zero.

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Sarah received $55 for her birthday. She used some of that money to buy 3 shirts priced at m dollars each.
jolli1 [7]

Answer:

55 - 3m

Step-by-step explanation:

Sarah has $55

Her expenses are 3 shirts priced at $m each.

Total cost of 3 shirts at $m each would be the multiplication of each:

3 * m = 3m

The amount of money Sarah has left would be the total she had MINUS what she spent on 3 shirts. That would be:

Remaining Money = 55 - 3m

5 0
3 years ago
What is the commutative and associative propertys?
timama [110]

Answer:

<u>Commutative property:</u> states that the order in which we multiply numbers does not change the product.

<u>Associative property:</u> states that you can add or multiply regardless of how the numbers are grouped (aka parenthesis).

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3 years ago
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Kitty [74]

Answer:

-2.35

Step-by-step explanation:

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3 years ago
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otez555 [7]

Answer: it seems to be D, but the equation makes practically no sense!

The value of the factor changes for the different amounts of service years and vacation weeks.

Step-by-step explanation: The equation means that the employee is trying to figure out the value of the "v-factor" for how vacation time is earned.

If you substitute the number of service years into the left side of the "formula" and vacation weeks on the right side, then solve for "v", v(15)=5 you get v= 1/3 or 0.33

If you substitute other numbers, like v(2)=2, so v= 1 then v(30) = 8, v = 4/15 or 0.2667. You see the factor's value decreases. The company is much more generous to to employees with one or two years of service than with the older ones.

7 0
3 years ago
When calculating the area of a circle for diameter and radius is our answer going to be(example) 21 cm square???
sveticcg [70]

Answer:

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Step-by-step explanation:

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