If the earth were twice as massive as it is now, then the gravitational force between it and the sun would be?.

All of the following are characteristic of a hybrid electric vehicle (HEV), except Lower fuel economy.

A hybrid vehicle that combines an electric propulsion system with a traditional internal combustion engine (ICE) system is known as a hybrid electric vehicle (HEV) (hybrid vehicle drivetrain). The use of an electric powertrain aims to produce either higher performance or better fuel economy than a traditional car.

There are various HEV kinds, and each one differs in how much it functions as an electric vehicle (EV). While hybrid electric buses, boats, cars, and tractors are all available, hybrid electric cars are the most popular type of HEV.

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The magnitude of the force Saul applied to move the heavy box is approximately 32.56 N. We can use the work-energy principle.

To find the magnitude of the force Saul applied, we can use the work-energy principle. The work done on an object is equal to the force applied multiplied by the displacement of the object in the direction of the force. Mathematically, it can be expressed as:

Work = Force x Displacement x cos(theta),

where theta is the angle between the force and the displacement vectors.

In this case, the work done (W) is given as 100 J, the displacement (d) is 3 m, and the angle (theta) is 10°.

100 J = Force x 3 m x cos(10°).

To solve for the force (F), we rearrange the equation:

Force = 100 J / (3 m x cos(10°)).

Using a calculator, we can find the magnitude of the force Saul applied by substituting the values:

Force ≈ 32.56 N.

Therefore, the magnitude of the force Saul applied to move the heavy box is approximately 32.56 N.

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The distance traveled by the train is 900 m.

The given parameters:

The distance traveled by the train is calculated as follows;

\(s = ut + \frac{1}{2} at^2\\\\s = (15 \times 20) + (0.5 \times 3 \times 20^2)\\\\s = 900 \ m\)

Thus, the distance traveled by the train is 900 m.

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Answer:

900m

Explanation:

Use the equation: acceleration (a) = change in velocity (v – u) / time taken (t)

Rearrange to solve for the final velocity (v):

v = u + at

Substitute in values and solve:

v = 15 m/s + 3 m/s2 × 20 s = 75 m/s

Rearrange the equation for uniform acceleration (v2 – u2 = 2as) to solve for distance (s):

s = (v2 – u2) / 2a

s = ((75 m/s)2 – (15 m/s)2) / (2 × 3 m/s2)

s = (5,625 m2/s2 – 225 m2/s2) / 6 m/s2

s = 5400 m2/s2 / 6 m/s2

s = 900 m

ANSWER:

46.08 kg

STEP-BY-STEP EXPLANATION:

Given

m1 = 1152 kg

v1 = 0.06 m/s

v2 = -1.5 m/s

We apply law of conservation of linear momentum:

We plug in and calculate for the mass, just like this:

Which means that the mass of the pianist is 46.08 kg

Given:

Resistance, R = 5 ohms

Current, I = 9 amperes

Let's find the voltage.

To find the voltage, apply Ohm's law:

Where:

V is the voltage

I is the current = 9 amps

R is the resistance = 5 ohms

Thus, we have:

Therefore, the voltage is 45 volts.

ANSWER:

45 volts

Two negative charges that are both - 5.0 x 10⁵ C push each other apart with a force of 15N. Then, the distance between the two charges will be 1.22 meters.

The electrostatic force exists between two charges placed at a distance of some magnitudes. The magnitude of electrostatic force depends on the magnitude of each charge and also the distance between the two charges. When any two positive charges or two negative charges are brought together, then the two charges repel each other.

F = kq₁q₂/ r²

where, F is the electrostatic force,

k is Coulomb's constant, q₁ and q₂ are the two charges,

r is the distance between the two charges

F = 15 N,

K = 9 × 10⁹ Nm²C⁻²

q₁ and q₂ =  -5.0 × 10⁵ C

F = kq₁q₂/ r²

r² = \(\sqrt{(kq1q2/ F)}\)

r = \(\sqrt{(9X10^9X-5X10^5X-5X10^5/ 15)}\)

r = √(225 × 10¹¹× 10¹⁰/ 15)

r = √(1.5× 10²⁰)

r = 1.22m

Therefore, the distance between the two charges will be 1.22 meters.

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Given that the direction sailboat is north and the distance traveled is d = 10 km

The direction of the wind is southeast and the force is

The sailboat travels the distance in time, t = 1 h

We have to find the work done by the wind and wind's power.

The diagram is shown below

The work done by the wind will be

The power of the wind will be

Explanation:

The answer is A because a minimal force is acting on a large amount of mass, which doesn't favor high acceleration.

A full shopping cart pushed with 5N of force will have the least acceleration.

The second law says that the acceleration of an object is related to the net force applied in the object divided by the mass of the object. The formula can be written as:

                                            F = m*a

Where F is force, m is mass of the object and a is the acceleration of the object.

Here, we have to find the least acceleration,

So,  \(a = F /m\)

Substituting the values for acceleration,

For, Option A - a = 5N/m

Option B - a = 5N / 0 = 5 m/s²

Option C - a = 20 N

Option D - a = 20N/m

The least acceleration can be found when we apply the value for mass. Comparing all the options, Option A has the least acceleration.

Hence, Option A is the correct answer.

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Complete question is;

An ideal pendulum is often discussed when studying simple harmonic motion.

What are the conditions needed for an ideal pendulum? Check all that apply.

1) Gravitational force acts to pull the pendulum’s mass down.

2) The mass of the rod of the pendulum is evenly distributed along the rod.

3) The pivot on which the pendulum swings is frictionless.

4) The pendulum swings through its equilibrium position as a result of inertia.

5) Tension acts downward on the pendulum’s mass

Answer:

Conditions 2,3 & 4 are the ones that apply

Explanation:

The conditions required for an ideal pendulum are;

- The mass of the rod of the pendulum has to be evenly distributed along the rod.

- Ensure that the pivot on which the pendulum is swinging is frictionless

-The pendulum has to swing through it's equilibrium position as a result of inertia.

Thus,the correct options are 2, 3, 4.

Answer:

Gravitational force acts to pull the pendulum’s mass down.

The pivot on which the pendulum swings is frictionless.

The pendulum swings through its equilibrium position as a result of inertia.

Explanation:

Just took the test

I cannot provide a main answer without a specific question or topic. Please provide more context or a specific question.

The given options are related to Kepler's laws of planetary motion, which describe the motion of planets around the sun. Kepler's first law states that the planets move in elliptical orbits around the sun, with the sun at one of the foci of the ellipse.

Therefore, option (d) is correct, stating that if Δt1 = Δt2, then A1 = A2. This means that the areas swept out by the planet in equal time intervals are equal, regardless of their location in the elliptical orbit.

Option (a) is incorrect because A1 and A2 represent the areas swept out by the planet, and do not have a direct relationship with each other.

Option (b) is also incorrect because Δt1 and Δt2 represent the time intervals taken by the planet to sweep out the areas A1 and A2, respectively. These time intervals will depend on the position of the planet in its orbit, and not on the size of the areas.

Option (c) is also incorrect because a circular orbit is a special case of an elliptical orbit, where the two foci of the ellipse coincide. Therefore, the statement "if Δt1 = Δt2, then the orbit is circular" is not necessarily true.

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Answer:

Neil Armstrong

Explanation:

Answer:

Neil Armstrong.

Explanation:

. PLEASE GIVE BRAINLIEST.

The initial horizontal velocity of the projectile is 22.1 m/s.

The given parameters;

The time of motion of the object is calculated as follows;

h = ut + ¹/₂gt²

where;

h = ¹/₂gt²

\(t = \sqrt{\frac{2h}{g} } \\\\t = \sqrt{\frac{2\times 25}{9.8} } \\\\t = 2.26 \ s\)

The initial horizontal velocity of the projectile is calculated as follows;

R = vₓt

\(v_x = \frac{R}{t} \\\\v_x = \frac{50}{2.26} \\\\v_x = 22.1 \ m/s\)

Thus, the initial horizontal velocity of the projectile is 22.1 m/s.

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Doppler's effect:

The Doppler effect states that the frequency of sound increases as it source approaches you and it decreases as the source turns away from you.

When the ambulance drives past you, the pitch of the siren is lower. This is due to the fact that the frequency of the wavelength decreases.

A higher pitch means frequency increases and a lower pitch means frequency decreases.

Therefore, the correct answer is option B. decreases

Answer:

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Answer:

It represents Distance.

Explanation:

The diameter of the coin at the Death Valley is 13.8 x 10⁻⁶m.

The diameter of the coin at the mountains of Greenland is 37.1 x 10⁻⁶m.

Diameter of the U.S penny, d₀ = 1.9 x 10⁻²m

Temperature, T₀ = 20°C = 293 K

Coefficient of linear expansion, α = 2.6 x 10⁻⁵K⁻¹

A) Temperature at Death Valley, T = 48°C = 321 K

So, the diameter of the coin at the Death Valley is given by,

d = α x d₀ΔT

d = 2.6 x 10⁻⁵x 1.9 x 10⁻² x (321 - 293)

d = 13.8 x 10⁻⁶m

B) Temperature at the mountains of Greenland, T = -55°C = 218 K

So, the diameter of the coin at the mountains of Greenland is given by,

d = α x d₀ΔT

d = 2.6 x 10⁻⁵ x 1.9 x 10⁻² x (293 - 218)

d = 37.1 x 10⁻⁶m

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Graph A shows amplitude 4 cm and frequency 50 Hz. Hence A is the answer. amplitude is nothing but the maximum displacement of the wave from the mean position. and frequency is the number of oscillation in unit time.  

In graph A, time require to complete one cycle is 0.02s means period of the time T = 0.02

Frequency F = 1/T = 1/0.02s = 50Hz

and amplitude A = 4 cm

Hence A is the answer.

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Answer:

20 kg

More force required after placing weight in trunk to accelerate the trunk than before when the trunk is empty.

Explanation:

We are given that

Mass of empty trunk, m=10 kg

Mass of a weight, m'=10 kg

We have to find the total mass after placing weight in trunk and how will this affect the force needed to accelerate the trunk.

Total mass =m+m'

Total mass=10+10=20 kg

We know that

Force, F=ma

Force is directly proportional to mass.

When we placed weight in trunk then the mass of trunk increases .Therefore, now more force required to accelerate the trunk than before when the trunk is empty.

Answer:

Explanation:

1=3

Answer:

The theoretical properties of a gas at a temperature of 0 Kelvin would be solid and hard. It will go from gas to liquid and finally to a solid state. All the particles will be mushed together. If a gas at zero degrees Celsius were cooled to -273 degrees Celsius, its volume would be reduced by 273/273 and become zero.

Answer: I think Fred is right.

Explanation:

Answer:

can you take a picture of the whole paper so I can see exactly what else it says so I can figure out the solution the only thing I see is wave speeds and speed of the sounds and distance and frequency

Therefore, the angle between vectors `u` and `v` is 90°.

To find the angle between two vectors, we can use the formula:

`cos(θ) = (u . v) / (||u|| ||v||)`

Where u and v are vectors, `.` is the dot product of vectors and || || is the magnitude of a vector.θ is the angle between the two vectors.

In this problem, we need to find the angle between vectors `u` and `v`.

We have the following vector

s:u = (2, 3, 0) and v = (3, −2, 1)

Let's find the dot product of vectors `u` and `v`.u .

v = 2 × 3 + 3 × (−2) + 0 × 1

= 6 − 6 + 0

= 0

Let's now find the magnitudes of vectors `u` and `v`.||u|| = √(2² + 3² + 0²) = √(13) and

||v|| = √(3² + (−2)² + 1²)

= √(14)

Now, we can use the formula to find the angle between vectors `u` and `v`.cos(θ) = (u . v) / (||u|| ||v||)cos(θ)

= 0 / (√(13) × √(14))cos(θ)

= 0θ

= cos⁻¹(0)θ

= 90°

The angle between the vectors u = (2, 3, 0) and v = (3, −2, 1) is 90 degrees.

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Lengths of time it takes for new light bulbs to burn out are an example of quantitative data. Quantitative data refers to any information that can be expressed numerically or measured.

In this case, the lengths of time are numerical values that can be measured in hours, days, or any other unit of time. This data provides information about the lifespan or durability of the light bulbs. Quantitative data is often used in statistical analysis and can be used to draw conclusions, make predictions, or identify trends.

It is important to collect accurate and reliable data to ensure meaningful analysis. Quantitative data is often used in statistical analysis and can be used to draw conclusions, make predictions, or identify trends. In summary, the lengths of time it takes for new light bulbs to burn out represent quantitative data.

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(i)The time can be calculated using the equation:

\(d=v0t+1/2\)\(gt^{2}\)

\(v = 0 + 9.8 * 3.19 = 31.3 m/s\)\(t = sqrt(2d/g) = sqrt(2 * 50 / 9.8) = sqrt(10.2) = 3.19s\)

So the velocity of the car at the bottom of the hill is 31.3 m/s.

(ii)To find the height at which the car will have half this speed,

\(v = v0 + gt\)

\(t = (v - v0) / g = (15.65 - 0) / 9.8 = 1.59 s\)

\(d = v0t + (1/2)gt^2\)

where d is the distance traveled, v0 is the initial velocity

\(d = 0 * 1.59 + (1/2) * 9.8 * 1.59^2 = 12.1 m\)

So the car will have half the velocity at the bottom of the hill when it is 12.1 m below the top of the hill.

When an object moves under the influence of gravity, it experiences a constant acceleration due to gravity, which is approximately 9.8 m/\(s^{2}\) on the surface of the Earth.

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Answer:

F = 592238.09 N

Explanation:

To find the mean force you first calculate the acceleration by using the following kinematic equation:

\(v^2=v_o^2+2ax\\\\v_o=0m/s\\\\v=10km/h\\\\x=8.4m\\\\\)

you do "a" the subject of the equation and replace the values of the other parameters:

\(a=\frac{v^2}{2x}=\frac{10000m/s}{2(8.4m)}=595.23\frac{m}{s^2}\)

next, the force, by using the second Newton law is:

\(F=ma=(1000kg)(595.23\frac{m}{s^2})=595238.09\ N\)

hence, the force is 592238.09 N

- - - - - - - - - - - - - - - - - - - - - - - - - - -

TRANSLATION:

Para encontrar a força média, primeiro calcule a aceleração usando a seguinte equação cinemática:

você faz "a" o assunto da equação e substitui os valores dos outros parâmetros:

Em seguida, a força, usando a segunda lei de Newton, é:

portanto, a força é 592238.09 N

Answer:

Held

~Hope it Helps!~

Answer:

✔️Car A and Car B are moving in opposite directions.

✔️Car A is moving faster than Car B.

✔️Car A started ahead of car B.

Explanation:

The position-time graph shows Car A and Car B. The graph reveals that both cars are moving in opposite directions.

Car A shows a positive slope and Car B shows a negative slope.

The graph also shows that Car A started ahead of Car B. It's seen from the graph that Car A started from the origin.

Therefore, we conclude that the correct statements are:

✔️Car A and Car B are moving in opposite directions.

✔️Car A is moving faster than Car B.

✔️Car A started ahead of car B.

Answer:

merry cristmas the other person answered right I checked for you

Explanation:

happy NEW YEARS FINALLY NO MORE 2020

Answer:

Cu2+

Explanation:

Answer:

Explanation:

A capacitor is an electronic component that stores and releases electrical energy. It consists of two conductive plates separated by an insulating material called a dielectric. When a voltage is applied across the plates, charge accumulates on them, creating an electric field between the plates.

The capacitance of a capacitor is a measure of its ability to store charge. It is typically represented by the symbol 'C' and is measured in farads (F). In your case, you mentioned a 55-μF (microfarad) capacitor, indicating its capacitance value.

When a voltage waveform is applied across a capacitor, the capacitor charges and discharges in response to the changes in voltage. The rate at which the capacitor charges and discharges depends on the capacitance and the resistance in the circuit

Since there is no figure provided in the text, I am unable to reference it for the specific details of the voltage waveform. However, I can explain the general behavior of a capacitor when a voltage waveform is applied.

When a voltage waveform is applied across a capacitor, the capacitor charges and discharges in response to the changes in voltage. The behavior of the capacitor is determined by its capacitance, which is given as 55 μF in this case.

As the voltage waveform varies, the capacitor stores and releases electrical charge. During the rising portion of the waveform, the capacitor charges and accumulates energy. During the falling portion, the capacitor discharges and releases the stored energy.

The exact behavior and characteristics of the voltage waveform and the charging/discharging process depend on the specific shape and frequency of the waveform. Without the specific details of the voltage waveform provided in the figure, it is challenging to provide a more detailed analysis.

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Answer:

A.speed

Explanation:

I didn't quite get the question but hope this helps