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brilliants [131]
3 years ago
9

Help on these 2 pls ASAP!!!!!! BTW ITS A SCI QUESTION

Physics
2 answers:
Ymorist [56]3 years ago
6 0
First one is unbalanced force
kenny6666 [7]3 years ago
3 0

Answer:

Net force

I think it’s balanced force

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Help plz i have until 4.20 plz
Setler [38]

Answer:

Substance 1 because it became a liquid faster

Explanation:

8 0
3 years ago
Read 2 more answers
A string of length 0.67 m and mass 2.0 g is held at both ends under tension. The string
ikadub [295]

Answer:

The value is \lambda = 0.335 \  m  

Explanation:

From the question we are told that

     The length of the string is  l  =  0.67 \  m

      The mass is  m  = 2.0 \  g  =  0.002 \  kg

      The frequency produced at  fourth harmonic vibration(i.e n =4 )  is  f =  700 \  Hz

  Generally the wavelength of the string is  mathematically represented as

            \lambda = \frac{ 2L }{n }

=>          \lambda = \frac{ 2 * 0.67 }{ 4 }  

=>          \lambda = 0.335 \  m  

7 0
3 years ago
Please answer question B.
Flura [38]

Answer: 3.92

Explanation:

7 0
3 years ago
Please help i give brainest but i need help asap
krok68 [10]

Answer:

Surface

Explanation:

Rayleigh Waves—surface waves that move in an elliptical motion, producing both a vertical and horizontal component of motion in the direction of wave propagation. Particle motion consists of elliptical motions (generally retrograde elliptical) in the vertical plane and parallel to the direction of propagation.

7 0
3 years ago
The eye of a hurricane passes over grand bahama island in a direction 60.0° north of west with a speed of 41.0 km/h. three hour
Ksivusya [100]

initial velocity is given as 41 km/h at 60 degree North of West

v_i = -41 cos60\hat i + 41 sin60 \hat j

v_i = -20.5 \hat i + 35.5 \hat j

After some time the velocity is given as

v_f = 25 \hat j

now we can find the acceleration

a = \frac{v_f - v_i}{t}

a = \frac{25\hat j - (-20.5 \hat i + 35.5 \hat j)}{3}

a = 6.83 \hat i - 3.5 \hat j

now the distance is given by

d = v*t + \frac{1}{2} at^2

d = (-20.5 \hat i + 35.5 \hat j)*4.5 + 0.5*(6.83 \hat i - 1.5 \hat j)* 4.5^2

d = -92.25\hat i + 159.75\hat j + 69.15\hat i - 15.19\hat j

d = -23.1 \hat i + 144.56\hat j

so the magnitude of distance is

d = \sqrt{23.1^2 + 144.56^2} = 146.4 km

8 0
3 years ago
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