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Lisa [10]
3 years ago
11

What tool of dream analysis says that feelings and urges are hidden inside an event? condensation symbolism projection displacem

ent
Physics
2 answers:
Brilliant_brown [7]3 years ago
4 0

Answer:

Condensation

Explanation:

Andrew [12]3 years ago
3 0

Answer:

Condensation! Hope this helps!!!

Explanation:

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At ground level g is 9.8m/s^2. Suppose the earth started to increase its angular velocity. How long would a day be when people o
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Let s = rate of rotation 
<span>Let r = radius of earth = 6,400km </span>
<span>Then solving (s^2) r = g will give the desired rate, from which length of day is inferred. </span>
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3 years ago
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a 100 kg person travels from sea level to an altitude of 5000 m. By how mans newtons does their weight change?
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Answer:

Thus, the change in the weight of the person is 1.6N , option c is correct.

Explanation:

3 0
2 years ago
Explain how a persons mother and father can both exhibit or show a trait but their children may not exhibit the trait
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4 0
3 years ago
. A 2.0-kg block is on a perfectly smooth ramp that makes an angle of 30° with the horizontal. (a) What is the block’s accelerat
AfilCa [17]

Answer:

a) a = 4.9 m / s²,  N = 16.97 N   and b)   F = 9.8 N

Explanation:

a) For this exercise we will use Newton's second law, we write a reference system with the x axis parallel to the plane, see attached, in this system the only force we have to break down is weight, let's use trigonometry

        sin 30 = Wx / W

        cos 30 = Wy / W

        Wx = W sin30

        Wy = W cos 30

Let's write the equations on each axis

X axis

        Wx = ma

Y Axis  

       N- Wy = 0

       N = Wy = mg cos 30

       N = 2.0 9.8 cos 30

       N = 16.97 N

We calculate the acceleration

       a = Wx / m

       a = mg sin 30 / m

       a = g sin 30

       a =9.8 sin 30

       a = 4.9 m / s²

b) For the block to move with constant speed, the acceleration must be zero, so the force applied must be equal to the weight component

      F -Wx = 0

      F = Wx

      F = m g sin 30

      F = 2.0 9.8 sin 30

      F = 9.8 N

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3 years ago
PLEASE HELP show the calculation of the number of neutrons of hydrogen​
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