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iren [92.7K]
3 years ago
11

ANSWER ASAP PLEASE!!

Physics
1 answer:
zzz [600]3 years ago
6 0

Answer:

A. sugar and phosphate groups

C. nitrogenous bases.

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If an object looks blue, it reflects ____ waves. Question 4 options: blue red and yellow all but blue all
Masteriza [31]

Answer:

Blue

Explanation:

Because, That object absorbs all colours light waves but des not absorbs Blue. So The blue light is reflected because it is not absorbed

4 0
2 years ago
State the Newton's second law of motion​
Llana [10]

Answer:

It states that the time rate of change of the momentum of a body is equal in both magnitude and direction to the force imposed on it. ... The momentum of a body is equal to the product of its mass and its velocity.

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2 years ago
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Dimension of specific heat capacity​
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Answer:

The specific heat of a substance (per unit of mass) has dimension L. T. Θ−1, or (L/T)2/Θ. Therefore, the SI unit J/K/kg is equivalent to metre squared per second squared per kelvin (m2 K−1 s−2).

3 0
3 years ago
A 2.00 kg, frictionless block s attached to an ideal spring with force constant 550 N/m. At t = 0 the spring is neither stretche
gladu [14]

Answer:

a)    A = 0.603 m , b) a = 165.8 m / s² , c)  F = 331.7 N

Explanation:

For this exercise we use the law of conservation of energy

Starting point before touching the spring

    Em₀ = K = ½ m v²

End Point with fully compressed spring

    Em_{f} = K_{e} = ½ k x²

    Emo = Em_{f}

    ½ m v² = ½ k x²

    x = √(m / k)    v

    x = √ (2.00 / 550)   10.0

    x = 0.603 m

This is the maximum compression corresponding to the range of motion

     A = 0.603 m

b) Let's write Newton's second law at the point of maximum compression

    F = m a

    k x = ma

    a = k / m x

    a = 550 / 2.00 0.603

    a = 165.8 m / s²

With direction to the right (positive)

c) The value of the elastic force, let's calculate

    F = k x

    F = 550 0.603

   F = 331.65 N

5 0
3 years ago
which of the seasons is celebrated by many northern cultures with festivals, often symbolizing rebirth?
tensa zangetsu [6.8K]
I’m not entirely certain, but usually, spring symbolizes rebirth.
4 0
4 years ago
Read 2 more answers
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