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SpyIntel [72]
2 years ago
14

A piling for a high-rise building is pushed by two bulldozers at exactly the same time. One bulldozer exerts a force of 1250 pou

nds in a westerly direction. The other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. What is the magnitude of the resultant force upon the piling, to the nearest ten pounds?
Mathematics
2 answers:
Masja [62]2 years ago
8 0
The forces result in a right triangle. To obtain the resultant force, one can simply use the Pythagorean theorem. 1250 lbf and 2650 lbf both act as the legs of the triangle. Obtaining the hypotenuse via the theorem would yield the resultant force. This is done below:

c^2 = a^2 + b^2
c^2 = (1250)^2 + (2650)^2
c = 2930.017 lbf

Therefore, the magnitude of the resultant force is approximately equal to 2930 lbf.
Sav [38]2 years ago
7 0

Answer:

D edge

Step-by-step explanation:

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Answer:

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Answer:

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Step-by-step explanation:

The height of the boulder, h,  in feet after t seconds is given by the function is given by :

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For maximum height, put \dfrac{dh}{dt}=0

i.e.

\dfrac{d(-16t^2+120t+10)}{dt}=0\\\\-32t+120=0\\\\32t=120\\\\t=3.75\ s

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h=-16(3.75)^2+120(3.75)+10\\\\h=235\ \text{feet}

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3 0
2 years ago
Solve for x.<br> 5(x - 3) + 4(x + 3) = 3(x - 1)<br> What’s the answer ?
SSSSS [86.1K]

Answer:

x=0

Step-by-step explanation:

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Step-by-step explanation:

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Which number between 20 and 28 are prime
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Prime numbers basically numbers that dont have any numbers that will be multiplied to get to it. So, it would be:
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-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
All the other numbers in between can be divided by something and not become a decimal. Other than 23, it can be divided by anything without becoming a decimal.
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<em>~Hope this helped :)</em>
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3 years ago
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