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Brilliant_brown [7]
3 years ago
11

1 Point

Mathematics
1 answer:
Anna007 [38]3 years ago
5 0

Answer:

It's C

Step-by-step explanation:

This one would be easy for you if you studied programming. Oh I just used conditional statement.

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A second particle, Q, also moves along the x-axis so that its velocity for 0 £ £t 4 is given by Q t cos 0.063 ( ) t 2 v t( ) = 4
Vladimir79 [104]

Answer:

The time interval when V_Q(t) \geq 60  is at  1.866 \leq t \leq 3.519

The distance is 106.109 m

Step-by-step explanation:

The velocity of the second particle Q moving along the x-axis is :

V_{Q}(t)=45\sqrt{t} cos(0.063 \ t^2)

So ; the objective here is to find the time interval and the distance traveled by particle Q during the time interval.

We are also to that :

V_Q(t) \geq 60    between   0 \leq t \leq 4

The schematic free body graphical representation of the above illustration was attached in the file below and the point when V_Q(t) \geq 60  is at 4 is obtained in the parabolic curve.

So, V_Q(t) \geq 60  is at  1.866 \leq t \leq 3.519

Taking the integral of the time interval in order to determine the distance; we have:

distance = \int\limits^{3.519}_{1.866} {V_Q(t)} \, dt

= \int\limits^{3.519}_{1.866} {45\sqrt{t} cos(0.063 \ t^2)} \, dt

= By using the Scientific calculator notation;

distance = 106.109 m

4 0
3 years ago
Witch method will not get you to the point (5,2.5) ?
ICE Princess25 [194]

Answer:

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Step-by-step explanation:

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4 years ago
Ali runs next to one wall in a gym. The gym is
DiKsa [7]
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7 0
3 years ago
What is the slope of a line that contains the points (-8,7) and (-4,-5)?
Pani-rosa [81]

Answer:

-3

Step-by-step explanation:

To find the slope given two points

m = (y2-y1)/(x2-x1)

   = (-5-7)/(-4- -8)

  = (-12)/(-4+8)

  =-12/4

  = -3

7 0
3 years ago
Tom had a board that was 4 ft. 5 in. long. He cut off a piece that was 1 ft. 9 in long. How much board does he have left?
EastWind [94]
It’s c your welcome make me Brainly
8 0
3 years ago
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