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topjm [15]
3 years ago
7

Calculate the force exerted on the blown dart. A dart weighing 0.0056kg is blown and travels 4.85m. The change in velocity for t

he dart is 11.4m/s.
Mathematics
1 answer:
dlinn [17]3 years ago
7 0

Answer:

0.15N

Step-by-step explanation:

Given data

Mass= 0.0056kg

distance=  4.85m

Velocity= 11.4m/s

The expression for the force is

F= mv^2/r

substitute

F=  0.0056* 11.4^2/4.85

F=  0.0056*129.96/4.85

F= 0.727776/4.85

F= 0.15N

Hence the force is 0.15N

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Step-by-step explanation:

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6 0
2 years ago
The art club spent $45 on supplies for valentines to sell during lunches. They made 60 valentines. What selling price for a vale
Agata [3.3K]
I cannot help you sorry :/
4 0
2 years ago
What is the formula to calculate the surface area of a rectangular prism with a cube removed?
ch4aika [34]
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3 0
3 years ago
Please help need to know the answer to this supposedly is 9 + (9x36) 333 but I don’t get it
Ahat [919]

Answer:

459

Step-by-step explanation:

First line:

clock showing 9 o'clock + clock showing 9 o'clock + clock showing 3 o'clock = 9 + 9 + 3 = 21

Second line:

The calculators look exactly the same.

3 * calculators = 30

1 calculator = 10

Third line:

1 bulb + 1 bulb - 1 bulb = 15

Since 1 bulb - 1 bulb = 0, we have 1 bulb + 0 = 15, or

1 bulb = 15

Last line:

Clock showing 9 o'clock = 9

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7 0
2 years ago
Use the drop-down menus to choose steps in order to correctly solve<br> 4k−6=−2k−16−2 for k.
RoseWind [281]

From figure 1: -

From figure 2: 12

From figure 3: 6

From figure 4: -12

From figure 5: -2

Step-by-step explanation:

We need to solve the equation 4k-6=-2k-16-2 for k.

Solving:

4k-6=-2k-16-2\\4k-6=-2k-18\\4k=-2k-18+6\\4k=-2k-12\\4k+2k=-12\\6k=-12\\k=\frac{-12}{6}\\k=-2

So, the options to be selected are:

From figure 1: -

From figure 2: 12

From figure 3: 6

From figure 4: -12

From figure 5: -2

Keywords: Solving equations

Learn more about Solving equations at:

  • brainly.com/question/1616605
  • brainly.com/question/2586096
  • brainly.com/question/4046256

#learnwithBrainly

7 0
2 years ago
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