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Zielflug [23.3K]
3 years ago
7

Suppose you have a mailing that you want to weigh no more

Mathematics
1 answer:
sertanlavr [38]3 years ago
7 0
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If S = {1, 2, 3} and S' = {4,5}, what is the universal set?
inessss [21]
U = S ∪ S' = {1, 2, 3, 4, 5}
4 0
3 years ago
A 10 kilogram object suspended from the end of a vertically hanging spring stretches the spring 9.8 centimeters. At time t
xz_007 [3.2K]

Full Question

A 10 kilogram object suspended from the end of a vertically hanging spring stretches the spring 9.8 centimeters. At time t = 0, the resulting mass—spring system is disturbed from its rest state by the force F (t) = 20 cos(8t). The force F (t) is expressed in Newtons and is positive in the downward direction, and time is measured in seconds.

Determine the spring constant k.

Answer:

Spring Constant = 1000Nm^-1

Step-by-step explanation:

Given

Mass = 10kg

Spring Extension = 9.8cm

Spring Constant K = Force/Extension

Force = Mass * Acceleration

Force = 10 * 9.8 = 9.8N

Spring Extension = 9.8 cm = 9.8 /100 = 0.098 m

Spring constant = 98 / 0.098

Spring Constant = 1000Nm^-1

3 0
2 years ago
Mixed Review
Eduardwww [97]
1. b = $95.94 / 6
       = $15.99

    t = $15.99 / 20
      = $0.80

2. A: $1.28 / 8 = $0.16 per oz
    B: $1.68 / 12 = $0.14 per oz 

    Difference: $0.02 per oz
6 0
3 years ago
Read 2 more answers
Li Ping says a square with 3 inch sides has greater area than a parallelogram that is not a square but has sides that have the s
Kipish [7]

Answer:

Li Ping's statement makes sense.

Step-by-step explanation:

The area of a square with side lengths a inches is given by, A_1 = a^{2}.

Now, the area of a parallelogram with equal sides a inches, which is not a square is given by, A_2 = ah, where, h is the perpendicular distance between the opposite sides.

See the diagram attached.

Since a is the hypotenuse of as right triangle with height h, hence, a > h.

So, A_1 > A_2

Therefore, Li Ping's statement makes sense. (Answer)

8 0
3 years ago
10 points thanks to those who help
nignag [31]
A) a 45 degree angle

3 0
3 years ago
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