Find the angle between the vectors and . the angle between the vectors is nothing radians. (round to the nearest hundredth.)

Given:

The short side of rectangle is: S = 10.396 cm

The long side of rectangle is: L = 16.47 cm

The current in the rectangular loop is: I = 121.164 A

The current in the straight wire is: i = 53.779 A

The distance between the straight wire and the shortest side parallel to the wire is: R = 24.226 cm

To find:

Answer:

Explanation:

because we have to get a measuremt.

Answer:

B

Explanation:

OOf we are doing this stuff atm

So if its faster at the front and slow at the back you can tell that its not slowing down because less of a force is there however at the front there is more of a force. Friction is low which means that its not makimg much contact so no sudden change of forces thats also why its B

Answer:

The car is moving forward

Explanation:

=> Forward Force = Force on the engine = 2000 N

=> Backward Force = Air Resistance + Friction = 800+500 = 1300 N

Since the forward force is more, the car moves in the forward directing fighting with the air resistance as well as friction.

Answer:

D is correct

Explanation:

Option C is true: Particles in a transverse wave move perpendicular to the direction of the wave pulse.

A longitudinal wave is a type of wave in which the particles in the medium vibrate in the same direction as the wave propagates. In a longitudinal wave, the particles move parallel to the direction of wave propagation. An example of a longitudinal wave is sound waves in air, where the air molecules vibrate back and forth parallel to the direction of the sound wave propagation.

The statement C is true, as particles in a transverse wave move perpendicular to the direction of the wave pulse. In a transverse wave, the particles in the medium vibrate perpendicular to the direction of the wave propagation. An example of a transverse wave is the motion of a string when plucked, where the particles of the string move up and down perpendicular to the direction of the wave propagation.

The statement D is also true, as the speed of a wave pulse on a string depends on the tension and the mass per unit length of the string. If the tension in the string is increased while the mass per unit length remains the same, the speed of the wave pulse on the string will decrease. This is because the tension and the speed are inversely proportional to each other according to the wave equation.

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Answer:

Velocity

Explanation:

hope this helps

Answer:

Speed in a given direction is called velocity.

Explanation:

Answer:

1) four lines

2) three lines

3) fives lines

4) six lines

Answer:

4

Explanation:

Halved

When a constant unbalanced force acts on an object, the acceleration of that object is directly proportional to its mass.

This means that if you double the mass of the object, the acceleration will be halved.

This can be explained by Newton’s second law of motion, which states that force is equal to mass times acceleration (F=ma).

If the force acting on the cart is constant, and the mass is doubled, the acceleration will be half of what it was before, because the force is spread out over a greater mass.

For example, if a 2 kg cart is pushed with a constant force of 10 N, it will have an acceleration of 5 m/s^2 (F=ma, 10N=(2kg)(5m/s^2)). If the mass of the cart is doubled to 4 kg, the acceleration will be halved to 2.5 m/s^2 (F=ma, 10N=(4kg)(2.5m/s^2)).

Therefore, doubling the mass of a cart under a constant unbalanced force will result in the acceleration being halved.

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Complete Question

Consider the heaviest box of 68 kg that you can push at constant speed across a level floor, where the coefficient of kinetic friction is 0.50, and estimate the maximum horizontal force that you can apply to the box. A box sits on a ramp that is inclined at an angle of 50.0 ∘ above the horizontal. The coefficient of kinetic friction between the box and the ramp is 0.50.If you apply the same magnitude force, now parallel to the ramp, that you applied to the box on the floor, what is the heaviest box (in pounds) that you can push up the ramp at constant speed? (In both cases assume you can give enough extra push to get the

Answer:

The force on the heaviest mass  is   \(F = 333.2 \ N\)

The mass on the inclined ramp is  \(M = 76.47 \ kg\)  

Explanation:

From the question we are told that

   The mass of the heaviest box is  \(m = 68 \ kg\)

   The coefficient of kinetic friction is  \(\mu_k = 0.50\)

     The angle at which the ramp is inclined is  \(\theta = 50^o\)

Generally at constant speed the acceleration is zero , which implies that

           \(F - F_f = 0\)

  Here  F is the horizontal  force applied to the heaviest box   and  \(F_f\) is the kinetic frictional  force which is mathematically represented as

        \(F_f = \mu_k * m * g\)

=>     \(F_f = 0.50 * 68 * 9.8\)

=>     \(F_f = 333.2 \ N\)

So

               \(F - 333.2 = 0\)

=>             \(F = 333.2 \ N\)

Considering the ramp inclined at an angle above the horizontal

         Generally apart from the force F  acting on the box in a direction parallel to the ramp the other force acting on the box parallel to the ramp is the net force due to frictional force on the object which is mathematically represented as

         \(F_f_h = \mu Mg cos (\theta )\)

and the weight of the object which is mathematically represented as

            \(F_w = Mg sin (\theta )\)

So the net force is  mathematically evaluated as

       \(F_n = F_w - F_{fh}\)

=>     \(F_n =Mg sin (\theta ) - \mu Mg cos (\theta )\)

=>     \(F_n =M [ 9.8 sin ( 50 )-0.50 * 9.8 cos (50 ) ]\)

=>     \(F_n = 4.3576M \ N\)

So the net force acting on the box parallel to the ramp is  mathematically represented as

      \(F_{net} = F - F_n\)  

=>    \(F_{net} = 333.2- 4.3575M\)  

=>    \(ma = 333.2- 4.3575M\)  

From the question we are told the velocity is  constant so the acceleration is zero  

   =>    \(333.2- 4.3575M = 0\)  

     =>    \(M = 76.47 \ kg\)  

Answer:

b. 4 ms-2

Explanation:

acceleration = velocity / time

Answer: 20 minutes

Explanation:

Given the following :

Average speed of train = 120km/hr

Distance = 40km.

The time take by the train moving at an average speed of 120km/hr to cover a distance of 40km due is ;

Recall:

Speed = distance / time

Therefore,

Time taken = distance covered / speed

Time taken = 40km / 120km/hr

Time taken = 1/ 3 hr

Therefore, 1/3 rd of an hour equals

1/3 × 60 = 20 minutes.

Time taken) 20 minutes

Time taken by tain to cover distance is 20 minutes as:

Distance= 40 km

Speed= 120 km/h

Time= distance/speed

= 40/120

= 1/3 hour

= 20 min

or  =0.33 hrs

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Answer:

80/1

Explanation:

to figure out the answer of how many miles/meters per second divide the meters/miles by the second

so 400÷5 would be 80

80 meters per second

hope this helps :))

The current through the circuit after 12.5 ms is 2.5864 A.

The characteristic time constant of a 23.2 mh inductor that has a resistance of 4.21 ω is 5.82115 ms.

If it is connected to a 12.0 v battery, the current after 12.5 ms will be 2.5864 A.

Below are the steps to get to the answer:(a) Calculate the characteristic time constant of the circuit using the formula:τ = L/RWhere τ is the time constant, L is the inductance of the inductor, and R is the resistance of the circuit.tau=23.2mH/4.21Ω=5.82115ms

Hence, the characteristic time constant of the circuit is 5.82115 ms.

(b) To calculate the current through the circuit, we need to use the formula:i = (V/R) [1 - e(-t/τ)]Where i is the current, V is the voltage of the battery, R is the resistance of the circuit, t is the time, and τ is the characteristic time constant of the circuit.i = (12/4.21) [1 - e(-12.5/5.82115)]i = 2.5864

Hence, the current through the circuit after 12.5 ms is 2.5864 A.

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To find the net resultant force, we need to break down each force into its horizontal and vertical components. The net resultant force is approximately 32.83 N at an angle of 32.79 degrees with the x-axis.

For the first force of 25 N at an angle of 20 degrees with the x-axis:

The horizontal component is:

25 N * cos(20) ≈ 23.76 N

The vertical component is:

25 N * sin(20) ≈ 8.56 N

For the second force of 10 N at an angle of 60 degrees with the x-axis:

The horizontal component is:

10 N * cos(60) = 5 N

The vertical component is:

10 N * sin(60) = 8.66 N

The net horizontal force is the sum of the horizontal components of each force:

23.76 N + 5 N = 28.76 N

The net vertical force is the sum of the vertical components of each force:

8.56 N + 8.66 N ≈ 17.22 N

To find the magnitude and direction of the net resultant force, we can use the Pythagorean theorem and trigonometry:

The magnitude of the net resultant force is:

√((28.76 N)² + (17.22 N)²) = 32.83 N

The direction of the net resultant force is:

tan⁻¹ (17.22 N / 28.76 N) = 32.79 degrees with the x-axis

Therefore, the net resultant force is approximately 32.83 N at an angle of 32.79 degrees with the x-axis.

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The event that had the greatest impact in astronomical history during this time period was the launch of Apollo 16.

The research of astronomy during the time period of 1970 - 1990 are given below as;

Date                                                   Event

1. 15 June 1974               Black Brant VC sounding rocket from White Sands.

2. 14 May 1973              Launch of Skylab, the USA's first space station

3. 26 July 1971                Launch of Apollo 15

Astronomy is a branch of science that deals with celestial bodies and their relationship with each other.

From the information given about astronomy, between the time period 1970 - 1990 as it was on the 26th of December, 1974 that the Soviet space station Salyut-4 was launched.

The event that had the greatest impact in astronomical history during this time period was the launch of Apollo 16.

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Answer:

Maharashtra - mashru or himroo / dhoti and lugda

Gujarat - patola / ghagra choli

Punjab - pat / kurta and pajama

Odisha - ikat / Sadi

West Bengal - tossa / kurta

Karnataka - Mysore silk / mundu

potassium ions into the cell and

outside

⇒ sodium ions out of the cell.

The type of energy used by the muscles of larvae and pupae to dive down through water is chemical potential energy from their cells. When the muscles contract, the chemical energy stored in the cells is converted into mechanical work, which allows the larvae and pupae to move through the water. Since Larvae and pupae have muscles that allow them to move through the water. When these muscles contract, they convert the stored chemical energy in their cells into mechanical work, which allows the larvae and pupae to move through the water. This is an example of how chemical potential energy can be converted into kinetic energy, which is the energy of motion. Therefore, the type of energy used by the muscles of larvae and pupae to dive down through water is chemical potential energy from their cells.

Answer:

  see attached

Explanation:

The drawing shows a battery connected to two lamps in series. There is no switch in the circuit. The schematic below reflects this.

Answer:

The potential energy is zero since the rock isn't moving.

The term that you are referring to is an action potential. An action potential is a rapid and brief wave of positive electrical charge that sweeps down the axon of a neuron.

It is initiated by a depolarization of the cell membrane and results in the transmission of an electrical signal from one neuron to another.

Action potentials are a crucial part of the nervous system and are responsible for a wide range of behaviors and functions, including movement, sensation, and cognition.

The process of generating an action potential involves a series of changes in the electrical potential across the neuron's cell membrane. Normally, the neuron's membrane has a resting potential, which is a stable negative charge inside the cell compared to the outside.

This resting potential is maintained by the balance of ions, such as sodium (Na+), potassium (K+), and negatively charged proteins, across the membrane.

When a neuron receives a stimulus, it can cause a brief depolarization of the cell membrane. Depolarization is a change in the electrical potential, resulting in a temporary reversal of the charge across the membrane.

This depolarization triggers the opening of voltage-gated ion channels, primarily sodium channels, in the neuron's membrane.

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Answer:

a. No. The overall loudness is not proportional to the number of speakers.

b. No, it will not sound 4 times louder.

Explanation:

a. Loudness is the quality of how loud or soft the sound is. Since loudness is proportional to intensity and intensity proportional to the amplitude of the sound, the overall loudness of the sound would not be proportional to the number of speakers.

Since the sound from each speakers adds by superposition, their phases might be different but their amplitudes the same. So, the resultant wave from the four speakers has the same amplitude as the wave from one speaker. And, since loudness is proportional to amplitude, the loudness of the resultant wave is equal to the loudness of each individual speaker.

So, the loudness is not proportional to the number of speakers.

b. No, it will not sound 4 times louder.

This is because loudness is a function of amplitude.

Since the devices are identical and playing the same sound, their amplitudes are the same. They will thus add by superposition to generate a resultant wave which has an amplitude the same as each individual wave.

Since the amplitude of the resultant wave is the same and not an addition of each individual amplitude, the resultant wave does not sound 4 times louder.

Answer:

27,32 dia

Explanation:

It is important to describe the reference frame you are using when sharing information about position because it helps to determine the relative distance or position of an object.

A frame of reference is a particular position or point on which you base your judgment of a moving object.

Also, reference frames are used to specify the relationship between a moving observer and the phenomenon under observation.

A frame reference helps to measure the accurate position or distance traveled by an object.

Thus,  it is important to describe the reference frame you are using when sharing information about position because it helps to determine the relative distance or position of an object.

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The density of mercury at 100 °C, given that the density of mercury is 13.6 gcm⁻³ at 0 °C, is 13.4 g/cm³

First, we shall obtain the new volume of the mercury. Details below:

Density at 0 °C (d₁) = 13.6 gcm⁻³

V₂ = V₁ ( 1 + αΔT)

= 1 × [1 + (1.8×10⁻⁴ × 100)]

= 1 × [1 + 0.018]

= 1.018 cm³

Finally, we shall obtain the density at 100°C. Details below:

Density at 100 °C = mass / new volume

= 13.6 / 1.018

= 13.4 g/cm³

Thus, the density of mercury at at 100 °C is 13.4 g/cm³

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Complete question:

What is the density of mercury at 100°C if that at 0°C is 13.6 gcm⁻³ and coefficient of cubic expansion of Mercury 1.8×10⁻⁴ K⁻¹​

Answer:

2.67×10² m

Explanation:

Applying

V = λf............... Equation 1

Where V = Velocity of radio wave, λ = wave length, f = frequency.

make λ the subject of the equation

λ = V/f................ Equation 2

From the question,

Given: V = 2.99×10⁸ m/s, f = 1.12×10⁶ Hz.

Substitute these values into equation 2

λ = (2.99×10⁸)/(1.12×10⁶)

λ = 2.66696×10² m

λ ≈ 2.67×10² m

Answer:

hey Leslie good morning. they deleted you other question lol.

The process of converting food into energy is called cellular respiration. This process occurs in the mitochondria of cells and involves.

the breakdown of glucose and other organic molecules in the presence of oxygen to produce ATP, the primary source of energy for cellular activities. Cellular respiration is a complex series of biochemical reactions that involves several stages, including glycolysis, the Krebs cycle, and oxidative phosphorylation. These stages involve the transfer of electrons and protons between different molecules and the production of ATP through a process called chemiosmosis. The overall reaction of cellular respiration can be summarized as: glucose + oxygen → carbon dioxide + water + ATP.

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Answer:

what could be rhe answer

Answer:

Also will be doubled

Explanation:

because potential energy is directly proportional to mass which means when mass or height increases the potential energy will also increases

sectors are the amount of resources