the best long-term solution to the pressing energy problems in the united states is:________

Answer:

Newton's second law states that force is directly proportional to the product of mass and acceleration.

so if you hit a baseball with a bat it will accelerate according to the applied force.

Answer:

C. All energy in the universe is a result of mass being converted into energy.

Explanation:

Answer:

C

Explanation:

edgeee

The resistance of R1 and R2 in parallel is lower than their resistance in series.

When two resistors, R1 and R2, are in parallel, the equivalent resistance is calculated as

R = (R1 * R2) / (R1 + R2).

The resulting resistance is always lower than either of the individual resistors. In contrast, when R1 and R2 are in series, the equivalent resistance is calculated as R = R1 + R2. The resulting resistance is always higher than either of the individual resistors.

1. Resistance in Series: In a series circuit, the total resistance R(total) is the sum of the individual resistances (R1 and R2). Mathematically, it is given by:
R (total)= R1 + R2
2. Resistance in Parallel: In a parallel circuit, the total resistance R(total) is found using the reciprocal formula. Mathematically, it is given by:
1/R(total) = 1/R1 + 1/R2
Now, let's compare the two cases:
In a series circuit, the total resistance is simply the sum of the individual resistances, whereas in a parallel circuit, the total resistance is determined by the reciprocal formula. Generally, the total resistance in a parallel circuit is lower than that in a series circuit, due to the reciprocal relationship. This means that when R1 and R2 are connected in parallel, their combined resistance will be less than when they are connected in series.

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Answer:

Assuming they're unit vectors (length of 1)

You simply add them together.

The vector pointing right can be described with X and Y

(1, 0).

The vector pointing down

(0, -1).

The numbers are taken from the axis in X and Y directions.

If you add them together you get a final vector.

(1, - 1)

This gives you -45° pointing South East.

Or 360°-45°=315°

Because of the power of gravity, which goes back from the square, planets follow out a circle in space as they circle around the sun, which is situated at a solitary concentration. The other center is unphysical.

Kepler's Most memorable Regulation: every planet's circle around the Sun is an oval. The Sun's middle is constantly situated at one focal point of the orbital circle. The Sun is at one concentration. The planet follows the circle in its circle, implying that the planet to Sun distance is continually changing as the planet circumvents its circle.

Jupiter's circle around the sun is circular, or oval-formed. Jupiter requires 12 Earth a very long time to make one transformation around the sun, so one year on Jupiter is equivalent to 12 years on The planet.

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The frequency of the sound wave is 1.07 × 10⁹ Hertz

Wavelength is simply the distance over which the shapes of waves are repeated.

From the wavelength, frequency and speed relation,

λ = v ÷ f

Where λ is wavelength, v is velocity/speed and f is frequency.

Given that:

Plug values into the above formula.

λ = v ÷ f

f = v / λ

f = ( 343 m/s ) / ( 3.2 × 10⁻⁷ m )

f = 1.07 × 10⁹ Hz

Therefore, the frequency is 1.07 × 10⁹ Hz.

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The correct answer choice from above about schizophrenia among the choices given above is:

People with schizophrenia are often misdiagnosed as having dissociative identity disorder.

The correct answer choice simply is option a.

Patients with schizophrenia can sometimes or oftentimes be misdiagnosed as having a bipolar disorder simply because they also demonstrate or manifest some psychotic symptoms which is similar to that which is seen in patients with this dissociative disorder. However, this is a serious health condition which should be taken care of with patients suffering from this health condition.

In addition to the said information above, it is very important that a healthcare professional diagnose a patient accurately of a particular condition so that wrong treatment would not be given or administered.

In conclusion, it can be deduced from all said and done above that schizophrenia are sometimes mislikened to a bipolar disorder.

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Answer:

13

Explanation:

13.0120481928 it is the distance

The minimum height of the loop without falling it off is 2.7(R-r).

What is height?

height is the measurement of someone or something .

Sol-It is given that capital art Israelis of loop. The loop. Small M. Is the mass of the marble. Small art is radius of the marble. We have to find minimum height edge. The track must have for the marble to make it around the loop. The loop without falling off coming to the solution. We have art is radius of solid marvel. Capital art is radius of circular, loop. Track moment of inertia of this is all in I is equal to two divided by five M. R squared. Thank you lad velocity of the marvel is equal. Do your makeup when the slides down the incline plane and regis the top of the loo. Let this be equation to and let this be equation three gain in potential energy related to center of mass is equal to mg. Multiplied by to capital R minus smaller. Let this be equation four. From law of conservation. Oh Nrg we have Equation one is equal to equation too plus equation three plus equation four substituting we have M G multiplied by H plus R is equal to half M V squared plus half I omega squared plus MG multiplied by two R -R. M G multiplied by H plus R. Is equal to half M B squared plus half. Multiplied by two divided by five M R squared. Omega square plus MG.

Hold square plus M G. Multiplied by two R minus R divide M G. On both sides we have H. Plus art Is equal to seven divided by 10, multiplied by R -R. Plus to r minus R. H plus odd as it will do 2.7 R -1.7 are therefore H is equal. Do 2.7 multiplied by R -R. Hence it can be concluded that height of the track. H is equal to 2.7 multiplied by R -R.

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The energy required to change the temperature from 26°C to 64°C is 209300 J.

Heat is a form of energy that can be transferred from one object to another due to different temperatures.

The heat required to raise the temperature is expressed by the equation:

                                         Q = m.c.ΔT

where,

Q: Heat (Joules)

m: mass (kg)

ΔT: temperature change (°C)

c: specific heat (J/kg C)

In the given question mass are 1 kg and the temperature change from 27°C to 77°C. (the specific heat is 4186 J/kg°C)

Q = m.c.ΔT

Q = 1 x 4186 x (77°C - 27°C)

Q = 4186 x 50°C

Q = 209300 J

So, the energy required to change the temperature is 209300 J.

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correct answer is option (B)

As a general rule of thumb, you should wait to exercise until three to four hours after eating a meal, and one to two hours after eating a snack.

How Soon Can You Workout After Eating?

Experts generally advise waiting 3 to 4 hours after a meal and 30 to 90 minutes after a snack. Your meals should be basic and simple to digest as you come closer to your workout. This is from the general rule of thumb.

A quick, readily digested snack should be planned for about an hour before to an intense workout, but if you are undertaking a workout that takes less energy and haven't eaten in four hours, you may be able to forgo the snack. Remember that every body is different, so what you require might not be the same as what your workout partner needs. That is the fundamental idea of IIN's bio-individuality in action.

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Answer:

D. 60-90 minutes

Explanation:

Just did it and koukladina stop deleting my answers

The minimum number of cycles required for the engine to lift the 500 kg rock through a height of 100 m is 1 cycle.

To determine the minimum number of cycles, we can use the work-energy principle. The work done on an object is equal to the product of the force applied and the distance over which the force is applied. In this case, the work done on the rock is equal to the gravitational potential energy gained.

The gravitational potential energy (PE) can be calculated using the formula PE = mgh, where m is the mass of the rock, g is the acceleration due to gravity, and h is the height.

In this scenario, the work done in each cycle is equal to the change in potential energy, which is mgh. Therefore, the total work done by the engine is equal to the product of the work done in each cycle and the number of cycles (W = mgh × N).

We can rearrange the equation to solve for the number of cycles (N):

N = W / (mgh)

N = (mgh) / (mgh)

N = 1

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Microwaves are used for heating because they are able to quickly and evenly heat food items without the need for a physical contact source, like a sand bath.

The microwave uses electromagnetic radiation to excite the water molecules in the food, which then generate heat. This process is much faster and more efficient than heating with a sand bath, as the heat source is more evenly distributed throughout the food item. On the other hand, a sand bath uses conduction to transfer heat, which can be slower and less consistent in comparison. Additionally, microwaves offer more precise temperature control, allowing for specific heating times and power levels to be set for different food items. Overall, the convenience and speed of the microwave make it the preferred method for heating food in most situations.

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(1) The ball is in the air for 1.4 seconds.

(2) The horizontal velocity of the ball as it rolls off the table is 6.32 m/s.

(3) The vertical velocity of the ball right before it hits the ground is 13.72 m/s.

(4) The horizontal velocity of the ball right before it hits the ground is 6.32 m/s.

(5) The initial vertical velocity as soon as the ball comes of the cliff is 13.72 m/s​.

The time of motion of the ball is calculated by applying the following equation.

t = √(2h/g)

where;

t =  √(2h/g)

t = √(2 x 9.63 / 9.8)

t = 1.4 seconds

The horizontal velocity of the ball is calculated as follows;

v = d/t

where;

v = 8.85 m / 1.4 s

v = 6.32 m/s

The vertical velocity of the ball before it hits the ground is calculated as;

vf = vi + gt

vf = 0 + 9.8 x 1.4

vf = 13.72 m/s

The horizontal velocity of the ball right before it hits the ground is calculated as;

the initial velocity of a projectile = final horizontal velocity

vxf = vxi = 6.32 m/s

The initial vertical velocity as soon as the ball comes off the cliff = final vertical velocity = 13.72 m/s

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The image is inverted, the lens is converging, the image is enlarged in size, the focal length of the lens with the greater index of refraction(lens 1) will be smaller than that of the other lens(lens 2).

A real image is that which can be obtained on the screen whereas a virtual image cannot be. A concave lens always produces virtual image whereas a convex lens can produce both real and virtual image. So the lens is convex lens which is also called converging lens. A converging lens always produces enlarged or the same size image but never produce smaller image. So the image will be enlarged in size.

The refractive index of a glass is the measure of light bending ability of it. Greater the refractive index more will be the bending of a light ray. So, if two convex lenses identical in size and shape are manufactured from glass with two different indices of refraction, the focal length of the lens with greater refractive index would be smaller.

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The formula of a magnitude is  |v| =√(x2 + y2)

A vector formula's magnitude can be used to condense the numerical value of a particular vector. A vector has a magnitude and a direction. This magnitude of a vector formula provides a summary of the individual vector measurements along the x, y, and z axes. The symbol for it is |v|.

|v| =(x2 + y2) is the formula to calculate the magnitude of a vector (in two dimensions) v = (x, y). The Pythagorean theorem serves as the basis for this formula.

|V| = (x2 + y2 + z2) is the formula to calculate the magnitude of a vector (in three-dimensional space) V = (x, y, z).

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Answer:

pretty far if you ask me

Answer:

43 kg

Explanation:

Force (F) = 162 N

acceleration (a) = 3.8 m/s²

mass (m) = ?

We know

F = m * a

162 = m * 3.8

m = 162 / 3.8

m = 43 kg

It's mass is 43 kg.

Hope it will help you :)

Since the baseball is moving, it has kinetic energy.

Since the baseball has a certain height (it's not moving on the ground, it's moving above the ground), so it also has gravitational energy.

The ball itself has a certain temperature and has a molecular structure that holds energy, so the ball has internal energy.

And the ball has a certain deformation, that holds some elastic energy.

Therefore the correct option is B.

ANSWER:

90.9%

STEP-BY-STEP EXPLANATION:

Given:

Input force = 11 N

Distance 1 = 0.4 m

Weight = 40 N

Distance 2 = 0.1 m

We calculate the work in each case to then calculate the efficiency of the machine, just like this:

The efficiency of the machine is 90.9%

Answer:

D

Explanation:

It says constant positive linear acceleration, which means that the velocity increases at a constant rate.

Answer:

I=V/R=40 V/10 ohm = 4 A.

Explanation:

Use Ohm's law , V=I*R to find Current. Unit of current is ampere.

Initially the sound waves are in phase and they overlap to form the constructive interference pattern. The length that we have to raise the top part will be equal to the wavelength of the waves in meters.

Interference is an absorption word from English, namely interference, which means interference, obstacles, and mixing. Interference in this case can be interpreted as an obstacle in a process caused by obstacles in the form of mixing something in something.

Wave interference is a combination of a number of separate waves in the same medium and produces a resultant wave. An example is music. Music is formed from a combination of several sound waves that interfere with each other.

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The initial velocity of the train is 20m/s when the train decelerates uniformly at a rate of 2m/s2. It means that initially, at time = 0 seconds, the train was moving with a velocity of 20m/s.

We know that,

v = u +at

where, v = final velocity

u = initial velocity

a = acceleration

t = time taken

In this case, as the train is decelerating we will use a negative sign with acceleration.

Substituting the values we get,

v = u + (-2)(10)

v will be equal to zero, as the train comes to a stop.

0 = u - 20

u = 20 m/s

Hence, the initial velocity of the train is 20m/s when the train decelerates uniformly at a rate of 2m/s2 and comes to a stop in 10 seconds.

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Answer: Yes

Explanation: It's possible to burn paper using convex (magnifying) lens during the day.

The cotton will fall slower than the heavy stone of same mass because of the density of the substances, which affects air resistance.

Air resistance is the action of friction that slows something moving through air.

It is worthy to note the air resistance is not dependent on the mass of an object but on the velocity and density of that object.

According to this question, a heavy stone and a cotton having same masses are dropped from certain height on the surface of the Earth.

Based on difference in densities, the cotton will fall slower than the heavy stone because the density of the stone is greater.

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The difference between the source frequency and the observed frequency is 400 Hz.

The observed frequency or frequency of sound detected is calculated by applying Doppler effect formula;

\(f_s = f_0(\frac{v}{v - v_s} )\\\\2\times 10^6 = f_0 (\frac{1500}{1500 - 0.3} )\\\\2\times 10^6 = 1.0002 f_o\\\\f_o = \frac{2\times 10^{6}}{1.0002} \\\\f_o = 1.9996 \times 10^6 \ Hz\)

\(f_s - f_o = 2\times 10^6 \ Hz \ - \ 1.9996 \times 10^6 \ Hz = 400 \ Hz\)

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Answer:

Abiotic referfers to non-living and biotic factors are living or once living

Explanation: