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lesya [120]
3 years ago
10

70 kg to mg i need to show the work of how i did it

Physics
1 answer:
lyudmila [28]3 years ago
4 0

Answer:

70000000 mg

Explanation:

1 gram (kg) is equal to 1000000 milligrams (mg).

1 kg = 106 mg = 1000000 m

7 kg × 1000000

= 7000000 mg

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What is generally TRUE about diagnosing psychological disorders?
Allisa [31]

The statement that says "Psychological disorders can be very difficult to diagnose" is true about diagnosing psychological disorders.

<h2>What are psychological disorders?</h2>

Psychological disorders are those mental, behavioral, emotional and thinking conditions that interfere with the normal performance of the individual in society.

  • Mental disorders are psychiatric conditions that are expressed in a syndrome, verifiable from different diagnostic criteria.

  • The steps to obtain a diagnosis include a medical history, physical examination, and possibly laboratory tests and a psychological evaluation.

Therefore, we can conclude that a psychological disorder is an alteration in the mental balance of a person that requires specialized attention adapted to the characteristics of the dysfunction.

Learn more about psychological disorders here: brainly.com/question/6367767

3 0
2 years ago
A helicopter carries a 1000-kg-car suspended from a rope below it. The helicopter flies horizontally at a constant speed of 25 m
kolbaska11 [484]

Answer:

(a) Tension, T = 28.653 kN

(b) Wind resistance force, 26.925\ kN

Solution:

As per the question:

Mass of the car, m = 1000 kg

Speed of the helicopter, v = 25 m/s

Angle made by the rope, theta = 20^{\circ}

Now,

(a) To calculate the tension, T in the car:

Tension along the direction of motion, T_{h} = Tcos20^{\circ}

Tension along the vertical direction, T_{v} = Tsin20^{\circ}

Now, let the force due to the wind directed in the opposite direction of the motion be F_{W} and it balances the horizontal component of the tension, T.

The vertical component is balance by the weight of the car, i.e., mg that acts vertically downwards.

Now,

T_{v} = mg

Tsin20^{\circ} = 1000\times 9.8

T = 28653 N = 28.653 kN

(b) The force of the wind resistance:

F_{W} = T_{h}

F_{W} = 2cos20^{\circ} = 26925\ N = 26.925\ kN

(c) Now,

  • If the angle made by the rope with the vertical is 0^{\circ}:

mg = Tsin(90^{\circ} - 0^{\circ})

Tsin90^{\circ} = mg = 9800\ N

The tension in the rope will be equal to the weight the car.

Wind resistance force, F_{W} = Tcos90^{\circ} = 0\ N

  • If the angle made by the rope with the vertical is 90^{\circ}:

mg = Tsin(90^{\circ} - 90^{\circ})

T = 0 N

Wind resistance force, F_{W} = Tsin0^{\circ}

Tsin0^{\circ} = mg

F_{W} = \infty

There will be no tension in the rope and wind resistance will be infinite.

3 0
3 years ago
Which of these types of electromagnetic radiation has the lowest energy? _____
ValentinkaMS [17]
The answer would be radio waves
5 0
3 years ago
Read 2 more answers
A skateboarder shoots off a ramp with a velocity of 5.1 m/s, directed at an angle of 55° above the horizontal. The end of the ra
ExtremeBDS [4]

Answer

given,

initial velocity of skateboard = 5.1 m/s

angle above the horizontal = 55°

height of the ramp = 1 m

a) maximum height of projectile

  H = \dfrac{u^2sin^2 \theta}{2g}

  H = \dfrac{5.1^2\times sin^2 55^0}{2\times 9.81}

         H =  0.889 m

the maximum height of the skateboard above the ground

         = 1 + 0.889

         = 1.889 m

b) time to reach the height

   t = \dfrac{u\ sin\theta}{g}

   t = \dfrac{5.1\ sin55^0}{9.8}

          t = 0.426 s

horizontal distance = u cos θ × t

                                = 5.1 × cos 55° × 0.426

horizontal distance = 1.25 m

7 0
3 years ago
Two forces act at a point in the plane. The angle between the two forces is given. Find the magnitude of the resultant force. fo
Zielflug [23.3K]

Answer:

408N at 89.89°

Explanation:

This problem requires that we resolve the force vectors into

x- and y

-componentsOnce this is done, we can add the components easily, as the one 2-dimensional problem will be two 1-dimensional problems.

Finally, we will convert the resultant force into standard form and find the equilibrant.

Resolve into components:

F1x =F1cos 180°= 232(−1)=−232N

F1y=F1sin180°=0N

F2x=F2cos(−140°)=194(−0.766)=−148.6N

F1y=F1sin(−140°)=232(−0.643)=−149.17N

Note the change of the angle used to give the direction of

F2. Standard angles (rotation from thex

-axis; counterclockwise is +) should be used to avoid sign errors in the results.

Now, we add the components:

Fx=F1x+F2x=−380.6N

Fy=F1y+F1y=−148.17N

Technically, this is the resultant force. However, it should be changed back into standard form. Here's how:

F=√(Fx)2(Fy)2=√(−380.6)^2(−148.17)^2=408N

θ=tan−1(−148.17−380.6)

=89.89°

4 0
3 years ago
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