Mindy won the 6th prize at a draw, where she can pick 5 chocolates from a selection of 11 different type of chocolates. How many different ways can she pick her selections?

Starburst galaxies is simply known as the rate at which the galaxy is now converting gas into stars. The statement that is not a general characteristic of starburst galaxies is that The "starburst" is thought to be caused by the presence of a supermassive black hole in the galaxy's center.

They are known to be rare. A starburst is known to be an astrophysical process. It is the process of star formation happening at a rate that is large when compared to the rate that is often observed.

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Which is not a general characteristic of starburst galaxies?

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Answer:

Displacement = 7 meters

Explanation:

Given that,

Jaune moves North 15 meters, South 5 meters, then North 8 meters. We need to find the displacement of Jaune.

The attached figure shows the motion of Jaune.

We know that, Displacement = final position - initial position

Initially, Jaune traveled 15 meters due North and finally, he travel 8 meters North.

Displcement = 15 m - 8 m

Displacement = 7 m

So, the displacement of Jaune is 7 meters.

Answer:

Acceleration, a = 5 m/s²

Explanation:

Given the following data;

Initial velocity = 30 m/s

Final velocity = 60 m/s

Time = 6 seconds

To find the acceleration, we would use the first equation of motion;

V = U + at

Where;

V is the final velocity.

U is the initial velocity.

a is the acceleration.

t is the time measured in seconds.

Substituting into the equation, we have;

60 = 30 + a*6

60 - 30 = 6a

30 = 6a

Acceleration, a = 30/6

Acceleration, a = 5 m/s²

Answer:

B

Explanation:

edge 2020

The emotional symptoms that may occur in those with a Schizophrenic disorder generally include all of the following except appropriate emotion. Hence, option (B) is correct.

Schizophrenia is a persistent, severe mental illness that has an impact on a person's relationships with others as well as their thinking, acting, and emotional expression. Despite not being as prevalent as other severe mental illnesses, schizophrenia can be the most persistent and incapacitating.

Schizophrenia patients frequently struggle to function well in relationships, the workplace, and academic settings. They can appear to have lost their sense of reality, feel afraid and withdraw. This chronic illness cannot be cured, but it can be managed with the right care.

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The velocity vector is r'(t) = (4, -3 sin t, 3 cos t), the acceleration vector is r''(t) = (0, -3 cos t, -3 sin t), the curvature is κ = 3 / 14^(3/2), and the tangential and normal components of the acceleration are aT = 0 and aN = 3.

Space Curves: Arc lengthArc length formula is given by \(L = ∫a b |r'(t)|dt\)

, where r(t) is the vector function for the given curve.

Let's find the arc length of the given space curve:

r(t) = (2t, t^2 - 2, 5 - t^2) for 0 ≤ t ≤ 4.

The speed of r(t) is |r'(t)|.r'(t) = (2, 2t, -2t) and

||r'(t)|| = √(2^2 + (2t)^2 + (-2t)^2)

= 2√2t.So,

the arc length of the space curve is

L = ∫0 4 2√2t dt

= (4/3)√2 [t^(3/2)] from 0 to 4

= (4/3)√2 (4√2 - 0)= (16/3) * 2

= 32/3.

Therefore, the length of the given space curve with vector equation is 32/3. Vector Functions for the intersection of two surfaces

The equation for the given surface is \(F(x)=(2,x²-30).\)

Let's find the vector functions for the intersection of two surfaces.

To find the intersection, we equate the two given equations:2 = y = x².

We get y = x² = 2. So, x = ±√2.

The vector functions for the intersection of two surfaces are:

r1(t) = (t, 2, t^2 - 30)

for x = √2 and r2(t)

= (-t, 2, t^2 - 30)

for x = -√2.

Given TNB for a space curveLet's find the unit tangent vector to the space curve r(t) = (cos t, sin t, t).

The velocity vector is r'(t) = (-sin t, cos t, 1).

The speed of the curve is |r'(t)| = √(sin² t + cos² t + 1) = √2.

The unit tangent vector is T = r'(t) / |r'(t)| = (-sin t/√2, cos t/√2, 1/√2).

Now, let's find a unit normal vector to the space curve.The acceleration vector is r''(t) = (-cos t, -sin t, 0).

The magnitude of acceleration is |r''(t)| = 1.

The unit normal vector is N = r''(t) / |r''(t)| = (-cos t, -sin t, 0).The binormal vector is given by B = T × N.

Therefore, the unit tangent vector to the space curve r(t) = (cos t, sin t, t) is T = (-sin t/√2, cos t/√2, 1/√2),

the unit normal vector is N = (-cos t, -sin t, 0),

and the unit binormal vector is

B = (cos t/√2, -sin t/√2, 1/√2) × (-cos t, -sin t, 0)

= (sin t/√2, -cos t/√2, 1/√2).

Velocity, acceleration and curvature

Let's find the velocity vector, the acceleration vector, and the curvature of the space curve r(t) = (4t, 3 cos t, 3 sin t) for 0 ≤ t ≤ 27.

The velocity vector is r'(t) = (4, -3 sin t, 3 cos t).

The speed of the curve is |r'(t)| = √(16 + 9 sin² t + 9 cos² t) = 5.

The unit tangent vector is T = r'(t) / |r'(t)| = (4/5, -3 sin t/5, 3 cos t/5).

The acceleration vector is r''(t) = (0, -3 cos t, -3 sin t).

The magnitude of acceleration is |r''(t)| = 3.

The tangential component of acceleration is aT = T · r''(t) = 0.

The normal component of acceleration is aN = |r''(t)| · |N| = 3.

The unit normal vector is N = (-cos t, -sin t, 0).

The curvature is κ = |r''(t)| / |r'(t)|² = 3 / (25 + 9 sin² t + 9 cos² t)^(3/2) = 3 / (25 + 9)^(3/2) = 3 / 14^(3/2).

Therefore, the velocity vector is r'(t) = (4, -3 sin t, 3 cos t),

the acceleration vector is r''(t) = (0, -3 cos t, -3 sin t),

the curvature is κ = 3 / 14^(3/2), and the tangential and normal components of the acceleration are aT = 0 and aN = 3.

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Galaxy a is receding from us at x km/s, while galaxy b’s recession velocity is 3x km/s. Based on Hubble’s law, it implies that the galaxy b is twice as far from us as galaxy a.

Hubble's Law states that the recessional velocity of a galaxy (that is, the speed at which it is moving away from us) is proportional to its distance from us. If a galaxy is moving away from us faster, it is further away than a galaxy that is moving away from us slower. In this case, galaxy a is receding from us at x km/s, while galaxy b’s recession velocity is 3x km/s. This indicates that galaxy b is twice as far from us as galaxy a.

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The order of magnitude of the distance between Los Angeles (LA) to New York (NY) is determined as 6.

An order of magnitude of a measurement is an approximation of the logarithm of a value relative to some contextually understood reference value, usually 10, interpreted as the base of the logarithm and the representative of values of magnitude one.

Also, the order of magnitude can be defined as  the power of 10 a number is raised to when it's in scientific notation.

The given measurement;

m = 3,944,000 m

The measurement in scientific notation;

3,944,000 m = 3.944 x 10⁶ m

Thus, the order of magnitude of the distance between Los Angeles (LA) to New York (NY) is determined as 6.

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Answer:

A bar magnet creates a magnetic field around it. The field cannot be seen, but its effects can be observed. This is how the magnetic field around a magnet is detected. Iron fillings can be used to study the presence of magnetic field and a compass can be used to plot the field lines.

Explanation:

The satement is true.

This comes from the fact that, according to Einstein:

and since c² is a very large number then, if we find a way to convert all the mass in energy a small amount will produce a large amount of energy.

Answer:

D. During the day, air over the warm land heats up and rises, while cooler air that was over the water is drawn in to shore to replace it.

Explanation:

Convection creates wind patterns at a beach by the force of land and sea breeze which are different wind patterns that move air masses.

Convection is a form of heat transfer that occur mainly in fluids such as gases and in liquids.

During the day, the air over the land is warmed. The land is a good conductor heat better than the ocean. This air masses rises and move towards the ocean. The colder air from the ocean moves landward to replace this air mass.

As the cold air gets warmer at land, it rises and move ocean-ward again.

Explanation:

Average Speed.=Total distance/Total time=800/10=80m/hour

Answer:

Baseball is commonly expressed in English units - we'll use that

(Rubber to home plate is 60' 6 '' but the ball is probably released at about 60 ft)

t = S / v      time of fall and time to reach plate

H = 1/2 g t^2

t = (2 H / g)^1/2     we'll use 32.,2 ft / sec^2    for g

t = (2 * 2.81 / 32.2)^1/2 = .418 sec

v = 60 ft / .418 sec = 144 ft/sec

Since 60 mph = 88 ft/sec

v = 144 / 88 * 60 = 98 mph

The volume of the balloon is increased to 2.9 L.

Initial volume of the balloon, V₁ = 0.5 L

Initial temperature of the balloon, T₁ = 20°C = 293 K

Final temperature, T₂ = 150°C = 423 K

According to Charle's law,

V₁/T₁ = V₂/T₂

The final volume,

V₂ = (V₁/T₁)T₂

V₂ = 0.5 x 423/293

V₂ = 2.9 L

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

A balloon has a volume of 0.5 L at 20°C. If the balloon is heated to 150°C, assuming the atmospheric pressure to be constant at 101,325 pa, by what amount does the volume of the balloon change?

The tension in each rope will be greater than half our weight. Hence option C is correct.

When suspending the body from a pair of ropes that are slightly angled from the vertical, the tension in each rope can be determined by resolving the forces acting on the body. In this case, there are two vertical forces: the weight of the body acting downward and the tension in each rope acting upward.

Since the ropes are slightly angled, the vertical component of the tension in each rope will be greater than half the weight of the body. This is because a component of the tension in each rope is used to counteract the weight of the body, while the other component provides the necessary upward force to maintain equilibrium.

Therefore, the tension in each rope will be greater than half our weight.

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When working through these problems, think about the heat in terms of movement of the molecules of water.

Heat is transferred from the water to the surroundings --- water molecules slowing down.

Heat is transferred to the water from the surroundings --- water molecules heating up.

Heat transfer is the transfer of energy due to the difference of temperature between two different places. The main discussion in heat transfer is how the energy in heat can move places and the rate of transfer under certain conditions. Heat transfer includes the processes of inflow and outflow of heat. In industrial processes, heat transfer is used to achieve the required temperature in the industrial process and maintain the required temperature throughout the process.

Heat transfer from one object to another can occur by conduction, convection, and radiation. The determinant of heat transfer is the temperature difference. The direction of heat transfer starts from a medium with a high temperature to a medium with a lower temperature. Heat transfer can occur with a single process or multiple processes.

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It is difficult to determine exactly what might be under the ground without further investigation. However, it is likely that there are magnetic materials or mineral deposits present that are affecting the orientation of the magnet.

If the suspended magnet still appears to orient itself, it could be due to the presence of a magnetic field. This magnetic field could be coming from various sources such as underground mineral deposits, buried metals, or even the Earth's own magnetic field. The orientation of the magnet could be influenced by these magnetic fields regardless of whether it is indoors or outdoors.

If it is convenient to take a suspended magnet outside, the orientation may still happen depending on the magnetic fields present in the area. It is possible that there are magnetic materials or mineral deposits in the ground that are influencing the orientation of the magnet. Alternatively, the Earth's own magnetic field could also be playing a role.

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The voltage waveform is more sinusoidal than the current waveform.

This is because the voltage source is assumed to be an ideal source, which means that the voltage is supplied without loss or fluctuation while the current waveform is distorted due to the loads present in the circuit. When a voltage waveform is applied to a circuit with inductance and capacitance, the resulting current waveform will be distorted and will not be sinusoidal. The current waveform is affected by the presence of capacitance and inductance in the circuit, which cause the current to lag behind the voltage. The current waveform becomes more distorted as the load resistance increases.

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Answer:

water process?

Explanation:

Always wash your hands, hand washing skills. By the way you spelt thanks* improperly.

The distance between the 2nd and 3rd dark bands is 2.90 mm. The slit separation is 795 μm.

Hence, option 2 is the correct answer.

In modern physics, the double-slit experiment is a demonstration that light and matter can display characteristics of both classically defined waves and particles; moreover, it displays the fundamentally probabilistic nature of quantum mechanical phenomena. This type of experiment was first performed by Thomas Young in 1802, as a demonstration of the wave behavior of visible light.

At that time it was thought that light consisted of either waves or particles. With the beginning of modern physics, about a hundred years later, it was realized that light could in fact show behavior characteristic of both waves and particles. In 1927, Davisson and Germer demonstrated that electrons show the same behavior, which was later extended to atoms and molecules.

Thomas Young's experiment with light was part of classical physics long before the development of quantum mechanics and the concept of wave–particle duality. He believed it demonstrated that the wave theory of light was correct, and his experiment is sometimes referred to as Young's experiment or Young's slits.

Distance of nth dark fringe from central bright fringe is

\(Y = (\frac{2n - 1}{2}) \frac{\lambda\ D}{d}\)

So,

\(Y_2 = (\frac{2 \times 2 - 1}{2}) \frac{\lambda\ D}{d}\)

\(Y_2 = (\frac{4 - 1}{2}) \frac{\lambda\ D}{d}\)

\(Y_2 = (\frac{3}{2}) \frac{\lambda\ D}{d}\)

Now,

\(Y_3 = (\frac{3 \times 2 - 1}{2}) \frac{\lambda\ D}{d}\)

\(Y_3 = (\frac{6 - 1}{2}) \frac{\lambda\ D}{d}\)

\(Y_2 = (\frac{5}{2}) \frac{\lambda\ D}{d}\)

Now,

(Y₃ - Y₂) = 2.90

\((\frac{5}{2}) \frac{\lambda\ D}{d} - (\frac{3}{2}) \frac{\lambda\ D}{d} = 2.90\ mm\)

\(\frac{\lambda\ D}{d} = 2.90\ mm\)

\(d = \frac{\lambda\ D}{2.90}\)

\(d = \frac{470.6 \times 10^{-9} \times 4.90}{2.90 \times 10^{-3}}\)

\(d = \frac{470.6 \times 4.90}{2.90} \times 10^{-6}\)

d = 2305.94/2.90

d = 795.15 μm

  ≈ 795 μm

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The magnitude of the electric field at a position 1.2 m from the point charge is approximately 2.91 x 10^-6 N/C. The correct option is a.

To find the magnitude of the electric field at a distance of 1.2 m from a point charge, we can use Coulomb's Law. Coulomb's Law states that the magnitude of the electric field (E) created by a point charge (Q) at a distance (r) is given by the equation:

E = k * (Q / r^2)

where k is the electrostatic constant (k ≈ 9 x 10^9 N m^2/C^2).

Substituting the given values into the equation, we have:

E = (9 x 10^9 N m^2/C^2) * (4.2 x 10^-6 C) / (1.2 m)^2

Calculating this expression, we get:

E ≈ 2.91 x 10^-6 N/C

Therefore, the magnitude of the electric field at a position 1.2 m from the point charge is approximately 2.91 x 10^-6 N/C. Thus, option (a) is the correct answer.

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Answer:

Newton's laws of motion relate an object's motion to the forces acting on it.

Explanation:

In the first law, an object will not change its motion unless a force acts on it. ... In the third law, when two objects interact, they apply forces to each other of equal magnitude and opposite direction.

Answer:

In the first law, an object will not change its motion unless a force acts on it. In the third law, when two objects interact, they apply forces to each other of equal magnitude and opposite direction.

Answer:

Millimeter, Centimeter, meter, kilometer

Explanation:

K H D M D C M

This is what I say to remember them

Kick Him Down Mommy Don't Commit Murder

When viewed straight down (90° to the surface), an incident light ray moving from water to air does not undergo refraction as it passes through the interface.

When viewed straight down (90° to the surface), the incident light ray moving from water to air does not undergo refraction as it passes through the interface. Refraction occurs when light passes from one medium to another at an angle. At 90°, the light ray travels perpendicular to the surface, resulting in a normal incidence. In this case, the light ray does not change its direction as it transitions from water to air. The refractive index governs the bending of light at the interface, but at 90°, the change in direction is negligible. Therefore, the incident light ray appears to continue in a straight line without deviation when observed directly from above.

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Answer:

\(v = 22.54m/s\) --- Velocity

\(h = 25.921m\) --- Distance

Explanation:

Given

\(u = 0m/s\) --- Initial velocity

Solving (a): Velocity after 2.3s

To do this, we use the first equation of motion

\(v = u + at\)

Where

\(t = 2.3s\)

\(a = g = 9.8m/s^2\)

So, the equation becomes:

\(v = 0 + 9.8 * 2.3\)

\(v = 0 + 22.54\)

\(v = 22.54m/s\)

Solving (b): Distance covered in 2.3s

We make use of:

\(h = ut + \frac{1}{2}gt^2\)

This gives:

\(h = 0 * 2.3 + \frac{1}{2}*9.8 * 2.3^2\)

\(h = \frac{1}{2}*9.8 * 5.29\)

\(h = 25.921m\)

Answer:

is d

Explanation:

Answer:

Capacitance = 0.00058 Farads

Explanation:

Given the following data;

Charge, Q = 7mC to Coulombs = 7/1000 = 0.007C

Velocity = 12V

To find the capacitance;

Capacitance = charge/potential difference

Substituting into the equation, we have;

Capacitance = 0.007/12

Capacitance = 0.00058 Farads

Answer:

coins made with the combination of copper zinc and Nickel

A cloth is made of fabrics

A towel is made from cotton

an umbrella is made up of fiberglass

a sweater is made up of wool

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Example: Increasing the tension in A string causes the speed of waves on the string to increase. Since the wavelengths of the standing waves remains constant, this results in a larger frequency of oscillations in the string, which we percieve as a higher pitch when the string vibrates the air.

Answer:

Your answer is F = 2280 N

Explanation:

The formula for force is \(F=ma\). Given this formula, \(1520\) × \(1.5\) \(= 2280\)