infants become unresponsive and develop poor interpersonal skills.​

Answer:

B. What volume of water does the metal block displace?

Explanation:

water displacement is a way of finding volume for irregular shapes

Electric field strength decreases as the distance from the source increases.

The strength of an electric field is inversely related to square of the distance from the source. This means that the electric field strength decreases when the distance from the source increases.

So we can conclude that Electric field strength decreases as the distance from the source increases.

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Answer:

yes, thats how it becomes morning and night

u get it

Explanation:

With Georgia's motorcycle at  over 4.5 m long and having a mass of 235 kg, Reid’s tangential speed is mathematically given as

vt=12.4m/s

Generally, the equation for the Conservation of momentum  is mathematically given as

mn=m1+m2

Therefore

mn=235+72

mn=307

Therefore

Fc=mn*a

THerefore

\(vt=\sqrt{\frac{rFc}{mn}}\\\\vt=\sqrt{\frac{25*1850}{307}}\)

vt=12.4m/s

In conclusion, The tangential  speed is

vt=12.4m/s

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The statement "Light and material objects always interact in some way when light is incident" is true because this interaction can include reflection, refraction, absorption, scattering, and transmission of light.

Light and material objects always interact in one way or another. When light is incident on a material object, it can be transmitted through the object, reflected off the object, or absorbed by the object. The interaction of light with a material object depends on the properties of the light and the properties of the material object.

For example, visible light is transmitted through glass, but it is reflected off of a mirror. Visible light is absorbed by a black object, which is why black objects appear black.

The interaction of light with a material object can be used to create a variety of effects, such as images, colors, and shadows.

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Answer: mmm... If you mean most like Basketball it's net ball but i don't know much about Basket ball teams

Explanation:

If we have the volume, mass, or material, we can use the diameter of the wire to calculate the length.

To determine the length of the filament, we need more information, such as the volume or mass of the filament, or the specific material it is made from.

Here's a general explanation assuming we have the necessary information:    
1. Obtain the volume, mass, or material of the filament.
2. If you have the mass and material, find the density of the material.

Density can be found using reference sources or online databases.
3. If you have the mass and density, calculate the volume of the filament using the formula:

Volume = Mass / Density.
4. Calculate the cross-sectional area of the wire using the diameter.

The cross-sectional area (A) can be found using the formula: A = π\((D/2)^2\),

where D is the diameter of the wire.
5. Determine the length (L) of the filament by dividing the volume (V) by the cross-sectional area (A): L = V / A.
Please provide more information about the filament, such as the volume, mass, or material, so we can help you calculate the length.

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Answer: a) 36 m/s

B) 64 m

Explanation:

A) d= ½ (Vi+Vf)t

d= ½ (0+12)6

d= 36 m/s

B) 100 – 36 = 64

Answer:

deuteron

Explanation:

Answer:

C. The Third Picture

Explanation:

EDGE 2021

The probability that a loaf of bread chosen at random will have a mass of more than 450g is 0.0026 or 0.26%.

The probability that a loaf of bread chosen at random will have a mass of more than 450g is found by first standardizing the random variable, using the standard normal distribution. We can then use the standard normal table or calculator to find the area to the right of the standardized value. The standardized random variable can be found using the formula

Z = (X - μ) / σ,

where X is the given value, μ is the mean, and σ is the standard deviation.

Substituting the given values, we get:

Z = (450 - 400) / 18 = 2.78

Using the standard normal table or calculator, we can find the area to the right of 2.78. This area represents the probability that a loaf of bread chosen at random will have a mass of more than 450g.

Using a standard normal table or calculator, we find that this area is 0.0026 or 0.26%.

Hence, the probability that a loaf of bread chosen at random will have a mass of more than 450g is 0.0026 or 0.26%.

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Answer:

Wave amplitude of a transverse wave is the difference of height between a crest and the resting position. Wave amplitude of a longitudinal wave is the distance between particles of the medium where it is currently compressed by the wave.

Answer:

A wave caused by a disturbance with more energy has greater amplitude

Explanation:

Answer:

Speed

Explanation:

Speed is a description of how fast an object moves; velocity is how fast and in what direction it moves. In physics, velocity is the speed in a given direction.

Answer:

speed

Explanation:

Speed is a description of how fast an object moves; velocity is how fast and in what direction it moves. In physics, velocity is speed in a given direction. When we say a car travels at 60 km/h, we are specifying its speed. When we say a car moves at 60 km/h to the north, we are specifying its velocity.

The flux through the two flat ends of a cylindrical Gaussian surface surrounding an infinite line of charge is 0 because the electric field is parallel to these flat surfaces, and thus, no field lines pass through them.

When we consider a cylindrical Gaussian surface surrounding an infinite line of charge, we can find the electric flux through the Gaussian surface. The electric field lines from the line of charge are radially outward and perpendicular to the surface of the cylinder.

Since the electric field is always parallel to the flat ends of the cylindrical Gaussian surface, there will be no electric flux passing through the flat ends of the cylinder. This is because the angle between the electric field and the area vector of the flat ends is 90 degrees, and the electric flux (Φ) is given by Φ = EAcosθ, where E is the electric field, A is the area, and θ is the angle between the electric field and the area vector. When θ = 90 degrees, cosθ = 0, so the flux through the flat ends of the cylinder is 0.

The flux through the two flat ends of a cylindrical Gaussian surface surrounding an infinite line of charge is 0 because the electric field is parallel to these flat surfaces, and thus, no field lines pass through them.

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The given paraboloid coordinate system (u, v, ϕ) with x = u.v cosϕ,

y = u.v sinϕ , z = 1/2 (u2 - v2) is orthogonal. The gradient is ∇f = (∂f/∂u) e_u + (∂f/∂v) e_v + (∂f/∂ϕ) e_ϕ ; divergent is ∇²f = ∇ · (∇f) ; curl is (∇ x) and laplacian is  (∇²).

We can prove that the paraboloid coordinate system (u, v, ϕ) is orthogonal, by computing the dot products of the basis vectors. The basis vectors in this coordinate system are given by:

e_u = (∂x/∂u, ∂y/∂u, ∂z/∂u) = (v cosϕ, v sinϕ, u)

e_v = (∂x/∂v, ∂y/∂v, ∂z/∂v) = (u cosϕ, u sinϕ, -v)

e_ϕ = (∂x/∂ϕ, ∂y/∂ϕ, ∂z/∂ϕ) = (-u.v sinϕ, u.v cosϕ, 0)

By Taking the dot products, we find that e_u · e_v = 0, e_v · e_ϕ = 0, and e_ϕ · e_u = 0. This proves that the basis vectors are mutually perpendicular, and therefore, the coordinate system is orthogonal.

Next, we can calculate the gradient (∇) in this coordinate system. The gradient of a scalar function f(u, v, ϕ) is given by:

∇f = (∂f/∂u) e_u + (∂f/∂v) e_v + (∂f/∂ϕ) e_ϕ

The divergence (∇ ·) and curl (∇ x) can be computed using the standard formulas in terms of the basis vectors. Finally, the Laplacian (∇²) can be obtained by taking the divergence of the gradient:

∇²f = ∇ · (∇f)

Thus, By evaluating these operations in the given coordinate system using the appropriate partial derivatives, we can determine the gradient, divergent, curl, and Laplacian for any scalar function in the (u, v, ϕ) coordinates.

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Explanation:

Given

wavelength = 4 m

speed = 332 m/s

frequency = ?

We know we have the formula

wavelength = speed / frequency

4 = 332 / frequency

frequency = 332/4

Therefore frequency is 83 Hertz .

Answer:

Vf=Vi

Explanation:

when speed is constant final velocoty is equal to initial velocity

Answer:

the wavelength is 9.8 meters

Explanation:

We can use the relationship:

Velocity = wavelenght*frequency.

Initially we have:

wavelenght = 4.9m

velocity = 9.8m/s

then:

9.8m/s =  4.9m*f

f = 9.8m/s/4.9m =  2*1/s

now, if the velocity is doubled and the frequency remains the same, we have:

2*9.8m/s = wavelenght*2*1/s

wavelenght = (2*9.8m/s)*(1/2)s = 9.8 m

Answer:

9.8

Explanation:

The inertia with the speed of 2.9 m/s has moved a distance of 3.6 kilometers in the west direction and 2.35 kilometers in the north direction.

In mathematics, the trigonometric functions are real functions which relate an angle of a right-angled triangle to ratios of two side lengths. They are widely used in all sciences that are related to geometry, such as navigation, solid mechanics, celestial mechanics, geodesy, and many others.

Given:

Speed of the speed 2.9 m/s

The direction in which the inertia change is moving = 43° north west.

Time taken to travel the distance = 30 minutes

According to the question that is moving in a Northwest direction with a velocity of 2.9 m per second.

If you want to find the distance it has moved in either North or west direction you will first have to find the total distance that kayak has moved in 30 minutes.

The distance travel by the kayak in 30 minutes = speed of person × time taken

The distance travel by the person in 30 minutes = 2.9 × 30 × 60

The distance travel by the person in 30 minutes = 5220 metre

The distance travel by the person in 30 minutes = 5.22 km

The distance traveled in the west direction can be find using trigonometric ratio.

5.2 × sin 43 = The distance traveled in the west direction

The distance traveled in the west direction = 3.6 kilometers

The distance traveled in the west = cos 43 × 5.2

The distance traveled in the west = 2.35 km

Therefore, The person with the speed of 2.9 m/s has moved a distance of 3.6 kilometers in the west direction and 2.35 kilometers in the north direction.

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Answer: its B hence "An object with a higher mass has more inertia which causes it to speed up less quickly."

Explanation: i took the test

In a purely inductive circuit (reactance only, no resistance), a phase shift of 90 degrees results in a power factor (pf) of 0.Inductive circuits:An inductor is a component of an electric circuit that opposes changes in current flow. An inductor stores energy in a magnetic field created by the current passing through it.

As a result, inductive circuits delay the current in relation to the voltage. As a result, the phase angle between the voltage and the current in an inductive circuit is said to be lagging or negative.If the phase angle between voltage and current is 90 degrees, the power factor (pf) is zero.

This means that the circuit's power flow is entirely reactive, with no actual power being delivered. Reactive power is energy that oscillates between the source and the load and is never converted to a usable form, such as heat or mechanical work. The apparent power of the circuit is equal to the reactive power. The apparent power is expressed as S = VI, where S is apparent power, V is voltage, and I is current.

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The solubility of the salt. : 24 g/100 g solvent(water)

Given

48 gram of a salt in 200 gram of water at 35°C

Required

The solubility of the salt.​

Solution

Solubility : the amount of a substance that can be dissolved in a solvent

Can be formulated(for 100 g solution)⇒grams solute per 100 g of solvent(100 ml water)

\(\tt solubility=\dfrac{mass~solute}{mass~solvent}\times 100\)

Input the value :

\(\tt solubilty=\dfrac{48~}{200~g}\times 100=24~g\)

Answer:

0.67 km

Explanation:

Given that,

The speed of a wave, v = 10 km/s = 10000 m/s

The frequency of a wave, f = 15 Hz

We need to find the wavelength of the wave. The speed of wave in terms of wavelength and frequency is given by :

\(v=f\lambda\\\\\lambda=\dfrac{v}{f}\\\\\lambda=\dfrac{10000}{15}\\\\=666.66\ m\)

or

= 0.67 km

So, the wavelength of the wave is 0.67 km.

Answer:

repel , attract,l am sure with these two blanks only

Answer:

Magnetic fields

A magnet creates a magnetic field around it. You cannot see a magnetic field, but you can observe its effects. A force is exerted on a magnetic material brought into a magnetic field. The force is a non-contact force because the magnet and the material do not have to touch each other.

Answer:

The correct answer is D)

Explanation:

When an electric magnet is brought near a cord with an electric current, the cord will most likely deflect away from the magnet because electric fields flowing through a wire generates its own magnetic field.

Cheers!

This speaks about the American Jewish by analyzing the intersection of class and gender ideologies of Jews in the United States. It captures the wage conditions of the family, which the men earned for living in which their wives made their homes.

It explains the Generational wealth of men and women. Generational wealth is the kind of asset that passes from one generation to another. It gives financial freedom for the person to live.

It is a kind of financial asset that is passed down through the families to children and grandchildren etc. First-generation wealth is built by an individual who began their journey without any resources. Hence, Generational wealth may pass from one generation to another in the life of the Jews.

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During exercise, the major mechanism of heat loss is evaporation of sweat from the skin. Sweat evaporation is a thermoregulatory process that allows humans to maintain a relatively constant internal body temperature when engaging in exercise.

As a result of exercise, metabolic heat is generated. When the internal temperature rises, thermoreceptors in the hypothalamus are activated, causing sweat glands to be stimulated through sympathetic nerve fibers.The sweat produced then evaporates off the skin and removes the heat generated by exercise, thus cooling the body. However, sweat evaporation is only effective in removing heat if the ambient temperature is lower than the skin temperature. If the ambient temperature is higher than the skin temperature, then sweat cannot evaporate, and heat will not be removed from the body. Other mechanisms of heat loss, such as conduction, convection, and radiation, are less important than sweat evaporation during exercise.

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Answer:

Incomplete question, but let analyse generally a torque acting on a rotating body

Explanation

Toque is given as

τ = r × F

Where

τ is the torque (Nm)

r is the position vector (m)

F is the force (N).

Let assume we have the following data

F= x•i + y•j + z•k

Also let assume the position vector is

r'= a•i + b•j + c•k

a. The first question, torque at the origin

The origin will have a position vector of r1(0,0,0)

Then, the displacement is

r=AB=AO+OB=-OA+OB

r = r'-r1 = (a, b, c)-(0,0,0)

r=(a, b, c)

Then, the torque is given as

τ = r×F

τ = (a, b, c) × (x, y, z)

Note that

i×i=j×j=k×k=0

i×j=k, j×i=-k

j×k=i, k×j=-i

k×i=j, i×k=-j

τ = (a•i + b•j + c•k) × (x•i + y•j + z•k)

τ = a•i×(x•i + y•j + z•k) + b•j×(x•i + y•j + z•k) + c•k×(x•i + y•j + z•k)

τ = (a•i × x•i)+ (a•i × y•j) + (a•i × z•k) + (b•j × x•i) + (b•j × y•j) + (b•j × z•k) + (c•k × x•i) + (c•k × y•j) + (c•k × z•k)

Now, using the above law.

τ = 0 + ay•k - az•j - bx•k + 0 + bz•i + cx•j - cy•i + 0

τ= ay•k - az•j - bx•k + bz•i + cx•j -cy•i

Then, rearranging

τ = (bz - cy)•i + (cx - az)•j + (ay - bx)•k

This is general formula for the torque at the origin, so you can apply it to the given values in your question because the question given is not complete.

b. Now let, analyse at the position vector (2.61 m, 0, -8.03 m)

Using the same analysis

position vector of r1(2.61, 0, -8.03)m

Then, the displacement is

r=AB=AO+OB=-OA+OB

r = r'-r1 = (a, b, c)-(2.61,0,-8.03)

r=(a-2.61, b, c+8.03)

Then, the torque is given as

τ = r×F

τ = (a-2.61, b, c+8.03) × (x, y, z)

Note that

i×i=j×j=k×k=0

i×j=k, j×i=-k

j×k=i, k×j=-i

k×i=j, i×k=-j

τ =([a-2.61]•i, b•j, [c+8.03]•k) × (x•i + y•j + z•k)

τ = (a-2.61)•i×(x•i + y•j + z•k) + b•j×(x•i + y•j + z•k) + (c+8.03)•k×(x•i + y•j + z•k)

τ = ((a-2.61)•i × x•i)+ ((a-2.61)•i × y•j) + ((a-2.61)•i × z•k) + (b•j × x•i) + (b•j × y•j) + (b•j × z•k) + ((c+8.03)•k × x•i) + ((c+8.03)•k × y•j) + ((c+8.03)•k × z•k)

Now, using the above law.

τ = 0 + (a-2.61)y•k - (a-2.61)z•j - bx•k + 0 + bz•i + (c+8.03)x•j - (c+8.03)y•i + 0

τ= (a-2.61)y•k - (a-2.61)z•j - bx•k + bz•i + (c+8.03)x•j -(c+8.03)y•i

Then, rearranging

τ = (bz - cy - 8.03y)•i + (cx + 8.03x - az - 2.61z)•j + (ay - 2.61y - bx)•k

This is general formula for the torque at the point (2.61 m, 0, -8.03 m), so you can apply it to the given values in your question because the question given is not complete.

(a) Torque acting on the pebble about the origin is (-1.5i - 4j - 1k) Nm.

(b) Torque acting on the pebble about the given coordinate is 20j Nm.

Torque is defined as the rotational analogue of force. It is the cross product of force and the perpendicular distance.

Here,

The position coordinates of the pebble, r = (0.5 m)j - (2 m)k

Force acting on the pebble, F =  (2 N)i - (3 N)k

(a) About the origin

 Torque acting on the pebble, τ = r x F

   τ = (0.5j - 2k) x (2i - 3k)

   τ = (0.5j x 2i) + (0.5j x -3k) + (-2k x 2i) + (-2k x -3k)

   τ = -1k - 1.5i - 4j + 0

   τ = (-1.5i - 4j - 1k) Nm

(b) At a point with coordinates (8.62m, 0, -2.93m)

    Torque acting on the pebble,

   τ = r x F

   τ = (8.62i - 2.93k) x (2i - 3k)

   τ = (8.62i x 2i) + (8.62i x -3k) + (-2.93k x 2i) + (-2.93k x -3k)

   τ = 25.86j - 5.86j

   τ = 20j Nm

Hence,

(a) Torque acting on the pebble about the origin is (-1.5i - 4j - 1k) Nm.

(b) Torque acting on the pebble about the given coordinate is 20j Nm.

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Your question was incomplete, but most probably your question was:

Force (2 N)i - (3 N)k acts on a pebble with position vector (0.5 m)j - (2 m)k, relative to the origin. What is the resulting torque acting on the pebble about (a) the origin and (b) a point with coordinates (8.62 m, 0, -2.93 m)

To find the value of w that will result in a maximum tensile bending stress of 3 ksi, we first need to determine the moment of inertia of the cross-sectional shape of the material in question. Once we have this value, we can use the following formula to calculate the maximum tensile bending stress:

σ = M*c/I

Where σ is the maximum tensile bending stress, M is the bending moment, c is the distance from the neutral axis to the outermost fiber, and I is the moment of inertia.

Assuming that the bending moment is known, we can rearrange the formula to solve for the required value of w:

w = (M*c)/(I*σ)

This will give us the required width of the material to ensure that the maximum tensile bending stress does not exceed 3 ksi. Please note that this is a long answer that requires additional information about the material and the conditions under which it will be used.

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Yes there are

Explanation:

Both kind of charges exist. (e≈1.60 x 10^-19 C)

Charge is the intrinsic property of a body, that allows it to have either of two kinds of itself.

Positive elementary charge is

\({x}^{1 +} \)

And negative is

\( {x}^{1 -} \)

There are two types of electric charges in nature, they are positive and negative charges.

What is meant by charge ?

Charge is defined as the intrinsic property of matter, by which it experiences a force, when placed in an electromagnetic field.

Here,

In nature, there are two type of electric charges. They are positive charge and negative charge.

The two charges exists in the nature, because, the positive charge attracts the negative charge.

The earth is actually neutral in nature. If a positive charged body is connected to the earth, the positive charge will be drained to the ground. This can be clearly described that, when the surface of earth becomes positively charged, there occurs a potential difference between the surface and the ground.

As a result, the electrons flows from the ground to the surface. The negative charge and positive charges cancels each other and thus neutralizing the surface.

The same happens when a negative charged body is connected to the surface of earth, the charge will be neutralized by the positive charge.

Hence,

There are two types of electric charges in nature, they are positive and negative charges.

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Answer:

The pot of boiling/hot water will cool at a faster rate than the same-size pot of lukewarm water left at room temperature. This is because the boiling/hot water has more energy than the lukewarm water and is thus more likely to transfer energy to its surroundings. When energy is transferred, the temperature of the pot of boiling/hot water will decrease, while the temperature of the lukewarm water will remain relatively unchanged. This transfer of energy is called conduction, and it is the process by which heat is transferred from one object to another.

Explanation:

see above