The force exerted on victim is 20 newton
<em><u>Solution:</u></em>
An attacker swings a board with a mass of 2 kg toward a victim
The acceleration is 10 
when the board hits the victim
To find: Force exerted on victim
<em><u>The force is given by formula:</u></em>
From given,
<em><u>Substituting the values in formula,</u></em>
Thus force exerted on victim is 20 newton
Answer:
Step-by-step explanation:
135/3 i think?
and that is 45
Answer:
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Step-by-step explanation:
Perimeter of rectangle =2× (Length+breadth)----(1)
Given that ,
Breadth of rectangle = 4 cm.
Perimeter of rectangle =24 cm.
Let length of rectangle = y cm.
putting the values of perimeter and Breadth in (1)
24=×(y+4)
⇒24=2y+8
⇒2y=24−8
⇒2y=16
⇒y=16/2
⇒y=8.
Therefore, the length of side rectangle is 8 cm.
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The x and y values in the given matrices are 6 and 7 respectively.
Step-by-step explanation:
Step 1; Both the given matrices are of the order 1 × 2. So to solve the values of x and y is just a matter of substitution. We substitute the values which correspond with each other i.e we substitute the values of 
which is the element at row 1 column 1 of both matrices. Similarly, the values of 
in both matrices are substituted with each other.
Step 2; The value of of the first matrix is 4x and the corresponding value in the second matrix is 24. So 4x will be equal to 24. Similarly, the value of in the second matrix is 6y and its corresponding value in the first matrix is 42. So 6y will equal 42.
4x = 24, x = 
, x = 6
6y = 42, y = 
, y = 7
