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Ostrovityanka [42]
3 years ago
12

Explain the limitations of science that you learned about in this unit. Write 1-2 sentences. (2 points

Physics
1 answer:
Kaylis [27]3 years ago
8 0

Explanation:

Two limits of science are 1. observations may faulty and 2. science cannot deal with values or morals. Hopes this helps!!

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ou are walking down a straight path in a park and notice there is another person walking some distance ahead of you. The distanc
alexgriva [62]

Answer:

The value is d  =  31.45 \  m

Explanation:

Generally the relative speed at which you are moving with respect to the person ahead of you is mathematically represented as

v_r  =  v_s  - v_c

substituting 1.05 m/s for v_c and 2.75 m/s for v_s

So

v_r  =  2.75  - 1.05

=> v_r  =  1.7 \  m/s

Generally the distance by which the person is ahead of you is mathematically represented as

d =  v_r  *  t

substituting 18.5 s for t

       d =  1.7  * 18.5

=>      d  =  31.45 \  m

4 0
3 years ago
The radar system of a navy cruiser transmits at a wavelength of 1.4 cm, from a circular antenna with a diameter of 2.7 m. At a r
Goshia [24]

Answer:

Distance will be 49.34 m

Explanation:

We have given wavelength \lambda =1.4cm =0.014m

Diameter of the antenna d = 2.7 m

Range L = 7.8 km = 7800 m

We have to find the smallest distance hat two speedboats can be from each other and still be resolved as two separate objects D

We know that distance is given by D=\frac{L1.22\lambda }{d}=\frac{7800\times 1.22\times 0.014}{2.7}=49.3422m

So distance D will be 49.34 m

4 0
3 years ago
Comparing objects in a related group can reveal patterns among them. These patterns in turn can help us learn more about those o
rosijanka [135]

Answer:

C. All planets orbit the Sun in the same direction.

E. The orbits of the planets are evenly distributed in distance from the Sun.

F. All planets orbit the Sun in a roughly flat plane.

Explanation:

As we can see that due to big bang theory of planet formation we can say all planets revolve around the sun in circular orbit with almost in same plane

Size of the planets are unevenly distributed and they all revolve around the sun in same directions

so here correct options are

C. All planets orbit the Sun in the same direction.

E. The orbits of the planets are evenly distributed in distance from the Sun.

F. All planets orbit the Sun in a roughly flat plane.

5 0
3 years ago
Which is true of magnetic field lines but not electric field lines?
marusya05 [52]

D

The closer the field lines, the stronger the field, whereas for electric field, the higher the electric flux passing through, the stronger the electric field.

Explanation:

Another difference between the two is that magnetic fields formed closed loops around the magnetic while electric fields do not. Electric fields are measured in two dimensional while magnetic fields in 3 dimensional. The electric field line can do work while magnetic fields can not (because particles in magnetic field remain constant even though the charge may change direction).

Learn More:

For more on electric and magnetic fields check out;

brainly.com/question/1594186

brainly.com/question/6502405

brainly.com/question/12691714

brainly.com/question/3747739

brainly.com/question/13657393

#LearnWithBrainly

7 0
3 years ago
Read 2 more answers
How high off the ground must you be if you mass is 75 kg and you have 11,025 J of energy stored inside?
pashok25 [27]

Answer:

15 m

Explanation:

Given,

Mass ( m ) = 75 kg

Potential energy ( P.E ) = 11,025 J

To find : Hight ( h )

Formula : -

P.E = mgh

[ Note : The value of g = 9.8 m/s² ]

h = P.E / mg

  = 11,025 / ( 75 x 9.8 )

  = 11,025 / 735

h = 15 m

Hence,

15 m is the high off the ground must you be if you mass is 75 kg and you have 11,025 J of energy stored inside.

3 0
2 years ago
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