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Alona [7]
3 years ago
9

Leo the Rabbit

Mathematics
1 answer:
Ghella [55]3 years ago
3 0
23 I think idk I try
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A particle moves in the xy plane starting from time = 0 second and position (1m, 2m) with a velocity of v>=2i-4tj^
guapka [62]

Given :

A particle moves in the xy plane starting from time = 0 second and position (1m, 2m) with a velocity of v=2i-4tj  .

To Find :

A. The vector position of the particle at any time t .

B. The acceleration of the particle at any time t .

Solution :

A )

Position of vector v is given by :

d=\int\limits {v} \, dt\\\\d=\int\limits {(2i-4tj)} \, dt \\\\d=(2t)i+\dfrac{4t^2}{2}j\\\\d=(2t)i+(2t^2)j

B )

Acceleration a is given by :

a=\dfrac{dv}{dt}\\\\a=\dfrac{2i-4tj}{dt}\\\\a=\dfrac{2i}{dt}-\dfrac{4tj}{dt}\\\\a=0-4j\\\\a=-4j

Hence , this is the required solution .

5 0
3 years ago
What formulas can you use to find the point P(x, y) along the line segment between A(x1 , y1 ) and B(x2 , y2 ) that is a fractio
sergey [27]

Answer: Walk through writing a general formula for the midpoint between two points. ... I believe you would simply find the differences in x and y from the midpoint to the one ... How would you solve a problem in which you do not know point B but are given ... the line y=x and the curve y=4x-x^2 intersect at the point p and q.

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7 0
3 years ago
I need help with this logic puzzle,
natka813 [3]
I cannot reach a meaningful solution from the given information. To prove that S was always true, you would have to prove that N was always false. To prove that N was always false you would have to prove that L was always false. For the statement (L ^ T) -> K to be true, you only need K to be true, so L can be either true or false.
Therefore, because of the aforementioned knowledge, I do not believe that you can prove S to be true. 
3 0
3 years ago
Solve.<br> 4(a+2)=14-2(3-2a)<br><br> A. -2<br> B. All real numbers <br> C.-1<br> D. No solution
White raven [17]
4a+8=14-6+4a. 4a+8=8+4a so I think it's B
3 0
3 years ago
Read 2 more answers
Is -(12/-17) equal to 12/17
maria [59]
Yes <span>-(12/-17) is equal to 12/17

I hope this helps. 

Have a awesome day. :)</span>
3 0
3 years ago
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