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Bond [772]
3 years ago
13

Please help with this

Mathematics
1 answer:
bixtya [17]3 years ago
4 0
The answer is C. Opposite sides have the exact same slope, and the shape is a quadrilateral.
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A body of mass 10kg at rest is subjected force of 16N. Find the kinetic energy at end of 20s.​
777dan777 [17]

===================================

\large \sf \underline{Problem:}

  • A body of mass 10kg at rest is subjected force of 16N. Find the kinetic energy at end of 20s.

===================================

\large \sf \underline{Answer:}

\huge \qquad \quad \sf{5,120  \: Joules}

===================================

\large \sf \underline{Solution:}

<em>Firstly</em>, find the acceleration:

  • \sf{A = F/m}
  • \sf{A = 16N/10kg}
  • \sf \pmb{A = 1.6m/s^2}

<em>Secondly,</em> the velocity after 20 seconds will be:

  • \sf{V =u+at}
  • \sf{V =0+1.6m/s^2(20s)}
  • \sf \pmb{V =32m/s}

<em>Lastly</em>, find the kinetic energy:

  • \sf{K=1/2mv^2}
  • \sf{K=1/2(10)(32)^2}
  • \sf{K=5(1024)}
  • \sf{\underline{\underline{\pmb{K=5120\:J}}}}

Hence, the kinetic energy at the end is 5,120 Joules.

===================================

#LetEarthBreathe

6 0
3 years ago
Read 2 more answers
Please help me!! No files allowed. I need the answer and an explanation!
Alexus [3.1K]

Answer:

I belive the answer is 1/324

5 0
3 years ago
The ratio of boys to girls in a group is 7:2. If there are 60 more boys than girls, work out how many girls there are.
zimovet [89]

Answer:

Step-by-step explanation:

So, kids are divided into 8 total parts.

7 - 1 = 6 more parts that are boys. The 48 extra boys are those 6 parts.

48/6 = 8 boys per part

All parts have the equal number of kids, so one part girls also has 8.

There are 8 girls (and 56 boys. 8:56 = 1:7).

7 0
3 years ago
Two lines do not intersect. what can you say about their slopes and y-intercepts?
Leno4ka [110]
The slopes of two lines that do not intersect(parallel lines) are the same for instance if the slope of line A is 1/2  the slope of line B is 1/2
I am not sure about their y-intercepts but what  I do know is that their y-intercepts are not the same
8 0
4 years ago
The list price on slacks is $22, and the list price on jumpers is $37. If Petit’s Clothing Store orders 30 pairs of slacks and 4
hichkok12 [17]

Answer:

The trade discount is

$235.4

Step-by-step explanation:

Given data

Slacks= $22

Jumpers= $37

Number of orders for Slacks= 30

Number of orders for Jumpers= 40

Total cost

22*30=$660

37*40=$1480

=$2140

11% discount can be computed as

=11/100*2140

=$235.4

7 0
3 years ago
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