An electron travels with speed 1.3�107m/s between the two parallel charged plates shown in the figure(Figure 1) . The plates are separated by 1.0 cm and are charged by a 200 V battery.
What magnetic field strength will allow the electron to pass between the plates without being deflected?
What is the direction of the magnetic field?

The values and the description of the motion of the objects under gravity are as follows;

1. The same

2. A smaller

3. A greater

4. 40 m/s

a. 5 m/s directed down

b. 45 m/s

5. a. Upwards

b. B

c. B

d. 10 m/s²

e. 10 m/s²

f. C

Gravitational acceleration is the acceleration due to the force of the Earth's attraction or pull on an object.

1. Compared with X, Y has the same acceleration as they fall

2. Compared with X, Y hits the ground with a smaller speed

3. Compared with X, Y has a greater time of descent

4. Assume g = 10 m/s², and that there is no air resistance. A stone is dropped from rest. What is its speed after 4 seconds.

The speed is given by the equation;

v = u + g•t

The velocity of the stone is therefore;

v = 0 + 10 × 4 = 40

The speed of the stone = 40 m/s

a. The initial speed of the stone u = 25 m/s

Therefore;

v = 25 - 10 × 3 = -5

The speed of the stone after 3 seconds is 5 m/s directed down

b. The initial speed of the stone = 15 m/s

Direction of the stone = Downwards

The speed after 3 seconds is therefore;

v = 15 + 10 × 3 = 45

The speed after 3 seconds is 45 m/s

5. a. The speed of the ball at point A is -30 m/s which is upwards, given that the speed is measured in the downward direction

b. The ball is stationary when the speed is 0, which is at point B.

c. The motion is a projectile motion, of an object moving upwards under gravity. The ball reaches its maximum height when its speed is 0, which is at point B.

d. The acceleration of the ball is due to gravity and it is constant. The acceleration at point C is therefore, 10 m/s²

e. The acceleration at point A is 10 m/s²

f. The point where the ball has the same speed as it did at point A is given by the point that is equidistant as point A from the point B where the speed is 0, which is point C.

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The most commonly effective spin recovery technique for a straight-wing aircraft is option (d) Stop spin rotation with opposite rudder and lower AOA with Forward stick.

In a spin, an aircraft experiences an uncontrolled and sustained rotating motion around its vertical axis. To recover from a spin, it is crucial to stop the rotation and reduce the angle of attack (AOA) to regain control.

Using the opposite rudder (opposite to the direction of the spin) helps counteract the yawing motion and can help stop the rotation. By applying rudder in the opposite direction, the adverse yaw can be minimized, aiding in spin recovery.

Additionally, lowering the AOA is essential to break the stall and regain control. By pushing the control stick forward (forward stick), the pilot can reduce the AOA, which helps in recovering from the spin.

Combining the use of opposite rudder to stop the spin rotation and lowering the AOA with a forward stick provides a commonly effective spin recovery technique for straight-wing aircraft.

Therefore, the correct answer is d) Stop spin rotation with opposite rudder and lower AOA with Forward stick.

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Answer:

Ionic Bond

Explanation:

Answer:

An ionic bond

Answer:

well they make the siren go beacaus eyou are doing somthing wrong so what were you thinking

Explanation:

A truck accelerating at 0.0083 meters/second2 covers a distance of 5.8 ×\(10^4\) meters. If the truck's mass is 7,000 kilograms, the work done to reach this distance is 3.3× \(10^6\) joules.

The correct answer is option E.

To calculate the work done by the truck to cover a distance of 5.8 × \(10^4\)meters, we need to use the equation for work:

Work = Force × Distance

In this case, the force can be calculated using Newton's second law:

Force = mass × acceleration

Where:

Acceleration (a) = \(0.0083 meters/second^2\)

Distance (d) = 5.8 ×\(10^4\) meters

Mass (m) = 7,000 kilograms

First, let's calculate the force exerted by the truck:

Force = mass × acceleration = (7,000 kg) ×\((0.0083 meters/second^2)\)= 57.1 Newtons

Next, we can calculate the work done:

Work = Force × Distance = (57.1 N) × (5.8 × 10^4 meters) = 3.3158 × \(10^6\)joules

Rounded to the nearest significant figure, the work done by the truck is approximately 3.3 × \(10^6\) joules.

Therefore, the correct answer is E.

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The question probable may be:

A truck accelerating at 0.0083 meters/second2 covers a distance of 5.8 ×\(10^4\)meters. If the truck's mass is 7,000 kilograms, what is the work done to reach this distance?

A. 1.7 × \(10^6\) joules

B. 3.4 ×\(10^6\) joules

C. 5.6 × \(10^6\)joules

D. 6.8 ×  \(10^6\)joules

E. 3,3  ×\(10^6\)  joules

The bandwidth of the periodic composite signal is drawn as a range between 100 Hz and 2100 Hz , The data rates for sending a digital signal using one harmonic, three harmonics, and five harmonics on a TV channel with a 6 MHz bandwidth would be 6 MHz, 18 MHz, and 30 MHz .

For the first question

Draw the bandwidth of a periodic composite signal, we need to consider the highest frequency component present in the signal.

We have two sine waves one with a frequency of 100 Hz and the other unspecified. Since the bandwidth is given as 2000 Hz, we can assume that the second sine wave has a frequency of 2100 Hz (2000 Hz above the first sine wave frequency).

Draw the bandwidth, we can create a graph with frequency on the x-axis and amplitude on the y-axis.

We plot the amplitude values for the two sine waves at their respective frequencies (100 Hz and 2100 Hz). The bandwidth will be the range between these two frequencies on the x-axis.

For the second question

The data rate for a digital signal transmitted using one harmonic, three harmonics, and five harmonics can be calculated by multiplying the channel bandwidth by the number of harmonics used. Since the bandwidth is given as 6 MHz, the data rates would be as follows:

One harmonic: 6 MHz

Three harmonics: 18 MHz

Five harmonics: 30 MHz

The data rate increases with the number of harmonics used because each harmonic contributes additional information to the signal, allowing for a higher data transmission rate.

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The sled moved a distance of 293.9 meters while slowing down.

To solve this problem, we can use the kinematic equation:

\(v^{2} = u^{2} +2as\)

where v is the final velocity, u is the initial velocity, a is the acceleration, and s is the distance.

Before the sled starts slowing down, its velocity is 31 m/s. When it comes to a stop, its velocity is 0 m/s. Therefore, the initial velocity u is 31 m/s and the final velocity v is 0 m/s.

The acceleration of the sled while it is slowing down is -1.82 m/s^2 (negative because it is in the opposite direction of the sled's initial velocity).

Substituting these values into the kinematic equation, we get:

\(0^{2} = 31^{2} +2(-1.82)s\)

Solving for s, we get:

\(s = (0-31^{2})/2(2(-1.82)) = 293.9 meters\)

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Answer:

13.4 m/s

Explanation:

Given:

Δx = 20 m

v₀ = 10 m/s

a = 2 m/s²

Find: v

v² = v₀² + 2aΔx

v² = (10 m/s)² + 2 (2 m/s²) (20 m)

v = 13.4 m/s

Answer:

B. 2 litros.

Explanation:

De acuerdo con el enunciado, el gas experimenta un proceso isotérmico y se conserva su masa. Asumiendo que el gas se comporta idealmente, tenemos la siguiente relación entre los estados final e inicial:

\(P_{1}\cdot V_{1} = P_{2}\cdot V_{2}\) (1)

Donde:

\(P_{1}, P_{2}\) - Presiones inicial y final, medidos en atmósferas.

\(V_{1}, V_{2}\) - Volúmenes inicial y final, medidos en litros.

Si sabemos que \(P_{1} = 10\,atm\), \(P_{2} = 1\,atm\) y \(V_{2} = 20\,L\), entonces el volumen inicial del gas es:

\(V_{1} = \frac{P_{2}\cdot V_{2}}{P_{1}}\)

\(V_{1} = 2\,L\)

Por lo tanto, la respuesta correcta es B.

Answer: A.

current (thumb) to magnetic field (fingers)

Answer:

A. current (thumb) to magnetic field (fingers)

Explanation:

According to the Right-Hand Thumb rule, if we are holding a current- carrying straight conductor in our right hand such that the thumb points toward the direction of current, then the fingers will wrap around the conductor in the direction of the field lines of the magnetic field.

Hope it helps.

If you have any query, feel free to ask.

Answer:

Her bike is using kinetic energy

B

Explanation:

Answer:

its the cheese

Explanation:

Answer:

Both

Explanation:

The S.I. unit of pressure is newton/meter square or pascal as both represent the same dimensional value.

A constant flux travels through the secondary coil as a result of the battery's production of a constant current in the first coil. There is no induced voltage across the secondary coil if the flux through the secondary coil remains unchanged.

The value of induced current depends on the change in the flux which is produced due to the change in current in the primary coil, since the voltage is constant the current across the coil is also constant which results in 0 change in flux across the secondary coil which will result in no voltage.

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Answer:

i think it's 1400

Explanation:

w = Force x displacement

w = 400 x 3.5

The magnitudes of the electric fields they are separately create at the radius 4 cm is the correct option is C. EA = EB > 0.

Two solid spheres, both of the radius 5cm, they carry the identical total charges of the 2μC. Sphere A is the good conductor. Sphere B is an insulator, and the charge are distributed uniformly throughout the volume. Both the spheres are produce the identical fields at the outer locations, the like particles will do at the cores, because of the spherically symmetric charge distributions.

The magnitudes of the electric fields they are separately create at the radius 4 cm is EA = EB > 0.

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Answer:

c

Explanation: i took the same text and got a 90

Direct current (DC) would be best because with DC, the current flows steadily in one direction.  correct   answer be Option (B).

There are two main methods for creating electric current. Direct current (DC) and alternating current (AC) are these (AC).

Direct current is a technique in which electricity consistently flows in the same direction, like the flow of a river. It discusses how electricity generated by solar panels, batteries, and other sources flows.

On the other hand, alternating current (AC) is a method in which the positive and negative sides are alternately switched at regular intervals, thereby altering the direction of the energy flow. This is the electricity that is provided by a plug-in or a generator. Both the electricity generated at power plants and the electricity delivered to homes are transmitted using alternating current.

So, Direct current (DC) would be best for LED lights will only work if the current is flowing in one direction.

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Answer:

0.03s

Explanation:

Period of wave and its frequency are closely related. Period is the inverse of frequency.

The period of a wave is the time taken for a number of waves to pass through a particular point.

The frequency of a wave is the number of waves that passes through a point at a particular time.

So;

          f  = \(\frac{1}{T}\)  

f is the frequency

T is the period

   Period of the wave  = \(\frac{1}{30}\)   = 0.03s

Answer:

a

Explanation:

According to Newton's first law of motion, the ball also moves with train .

According to Newton's first law of motion "An object at rest remains at rest, or if in motion, remains in motion at a constant velocity unless acted on by a net external force".

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The helical coil spring contracts as if compressed when the current flows through it. This is because of the magnetic force generated by the magnetic field and the current flowing through the coil.

An electromagnet is the type of magnet that generates a magnetic field by using an electric current. The magnetic field is created when a current is passed through a wire wrapped around an iron core, which produces a magnetic field around the wire. A helical coil spring is a mechanical spring that is made by winding a wire around a cylinder or a cone-shaped object. The shape of the spring is a helix or a spiral, which is why it is called a helical spring.

The reason why the spring contracts when a current is passed through it is due to the magnetic force produced by the magnetic field and the current flowing through the coil. When the current flows through the wire, it creates a magnetic field around the wire. The magnetic field exerts a force on the spring, causing it to contract or expand depending on the direction of the current flow.

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The separation between two slits for which 604 nm orange light has its first maximum at an angle of 29.2° is approximately 1.63 x 10^(-6) meters.

To calculate the separation between the slits, we can use the equation for the position of the first maximum in a double-slit interference pattern:

sin(θ) = mλ / d

where θ is the angle of the maximum, m is the order of the maximum (which is 1 for the first maximum), λ is the wavelength of light, and d is the separation between the slits.

Rearranging the equation, we can solve for d:

d = mλ / sin(θ)

Substituting the given values:

d = (1)(604 nm) / sin(29.2°)

Converting the wavelength to meters (1 nm = 1 x 10^(-9) meters) and performing the calculation, we get:

d ≈ (1)(604 x 10^(-9) meters) / sin(29.2°)

d ≈ 1.63 x 10^(-6) meters

Therefore, the separation between the two slits is approximately 1.63 x 10^(-6) meters.

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Answer:

fats / liquids or proteins one of them

Explanation:

..........

Answer:

D) All of the above

Explanation:

I googled it :)

Answer:

yes

Explanation:

A shaft instead of a chain to transmit power from the pedals to the wheel.

Yes, the shaft that the pedals are attached to in a bicycle can be considered a lever.

A lever is a simple machine that consists of a rigid object that rotates around a fixed point called the fulcrum. In the case of the bicycle pedals, the shaft acts as the lever arm, and the fulcrum is the point where the shaft is attached to the bicycle frame.

The characteristics of a lever apply to the shaft in the bicycle pedals:

1. Fulcrum: The fixed point of rotation in the lever system is provided by the bearing or axle that holds the shaft in place on the bicycle frame. This allows the shaft to rotate freely.

2. Effort and Load: The rider applies an effort or force on the pedals by pushing down with their feet. This effort is transmitted to the shaft, which in turn rotates the bicycle's crankset.

3. Mechanical Advantage: The shaft in the bicycle pedals can provide mechanical advantage by amplifying the force applied by the rider. By having longer pedals or using different gear ratios, the effective lever arm length can be modified, allowing the rider to exert more force with less effort or cover a greater distance with each pedal stroke.

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The average acceleration of  John is 3.6 m/s.

As we know the acceleration of an object is the rate of change of its velocity concerning the time, it is a vector quantity which means it both has direction and magnitude, the orientation of the object depends on the orientation of the total force acting on the object.

As we  are given that the initial velocity, u= 0 ms/s( as it started with rest) and the time taken, t=  10 seconds,  the final velocity , v= 36 m/s.

As the formula, we can prefer the calculation of the acceleration  of an object, which is one of the equations of the motion

v = u+at

Here a=  v-u/t

       = 36-0/10

       = 3.6 m/s

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The specific gravity of the other fluid is 2.0.

We know that the specific gravity of the fluid at the bottom of the u-tube is 4.0, which means its density is 4 times the density of water. Since the density of water is 62.4 lb/ft^3, the density of the fluid is:

ρ_1 = 4 * 62.4 lb/ft^3 = 249.6 lb/ft^3

We also know that the height of the fluid in the outer leg is 6 inches, or 0.5 feet. Substituting these values into the equation, we get:

P_atm + 249.6 lb/ft^3 * g * 0.5 ft = P_atm + ρ_2 * g * 0.5 ft

Simplifying and canceling out P_atm and g, we get:

124.8 lb/ft^3 = ρ_2

Therefore, the specific gravity of the other fluid is,

SG = ρ_2 / ρ_water = 124.8 lb/ft^3 / 62.4 lb/ft^3 = 2.0

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As the width of the slit in a single-slit diffraction experiment is increased, the diffraction pattern becomes narrower and less intense.

Single-slit diffraction is a phenomenon that occurs when a beam of light passes through a narrow slit, causing the light waves to diffract, or spread out, into a pattern of bright and dark fringes on a screen located behind the slit. This effect can be observed when monochromatic light, such as from a laser or a narrowband filter, is shone through a thin slit that is narrower than the wavelength of the light.This is because a wider slit allows more light to pass through, resulting in a wider central maximum. However, the wider slit also allows more diffraction of light around the edges of the slit, resulting in additional interference patterns, or secondary maxima, on either side of the central maximum. As the width of the slit is increased, the interference from these secondary maxima becomes weaker, resulting in a narrower and less intense diffraction pattern.

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Answer:

2.72 km

Explanation:

(12.33 km)/ 1 hr * (1 hr)/ 60 min

0.2055 km/ min

distance=rate * time (assuming v is constant,

a=0)

(0.2055 km/ min)*(13.22 min)

2.72 km OR 2716.71 m