a proton is accelerated by a uniform 360 n/c electric field. find the kinetic eergy and the velocity of the proton after it has traveled 50

Explanation:

velocity - the speed with a direction. Thus, inertia could be redefined as follows: Inertia: tendency of an object to resist changes in its velocity. ... Such an object will not change its state of motion (i.e., velocity) unless acted upon by an unbalanced force.

You are using 5 different temperature for one bacterium in the temperature effect exercise in an order to determine the Answer is thermal death point

Thermal death point (TDP) of bacteria is basically the study of effect of heat on the growth of bacteria. In simple terms it is the time needed to kill bacteria in a medium of liquid culture at a particular teperature.

So, the basic procedure is Requirements

Sample: Bacterial sample

Others: Nutrient agar plates, Inoculating loops, Incubator

Procedure

Take two nutrient agar plate and divide it into five quadrants. On each quadrant assign time like 0.15sec, 2min, 5min, 15min. This time will depict at particular temperature for how much time the organism was heated. Now take your sample culture that were heated in different temperatures. Under proper aspetic conditions, with the help of an inoculating loop streak the culture on each part of the quadrant. Incubate the plates at 37 degrees centigrade.

Based on the growth of the bacteria the thermal death point can be estimated. The quadrant in which there is no growth is the temperature and the time required to destroy the bacteria.

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Complete Question

You are using 5 different temperatures for one bacterium in the temperature effects exercise in order to determine the 2.

Multiple Choice

a- thermal death point

b- Benaturation time

c-  decimal education value

d-othermal death time

Answer:20 miles

Explanation:

The equivalent resistance between points A and B in the diagram is 22 Ω

We shall begin by obtaining the equivalent resistance in parallel (i,e the three 6 Ω resistor). Details below:

1/Rₜ = 1/R₁ + 1/R₂ + 1/R₃

1/Rₜ = 1/6 + 1/6 + 1/6

1/Rₜ = 3/6

1/Rₜ = 1/2

Rₜ = 2 Ω

Finally, we shall determine the equivalent resistance between A and B (i.e series arrangement). Details below:

R = R₁ + R₂ + R₃ + R₄ + R₅ + R₆ + R₇ + R₈ + R₉ + R₁₀ + R₁₁

R = 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2

R = 22Ω

Thus, we can conclude that the equivalent resistance is 22 Ω

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Answer:  Therefore, the magnitude of the magnetic field is 5.24 × 10^-9 T and its direction is into the page.

Explanation:   The force on a charged particle moving through a magnetic field is given by the formula F = qvB, where F is the force, q is the charge, v is the velocity of the particle, and B is the magnetic field strength.

In this problem, the particle has a charge of -1.9 × 10^-6 C and is traveling with a velocity of 8.1 × 10^3 m/s. The force acting on the particle is perpendicular to both the velocity vector and the magnetic field vector. Therefore, the force acting on the particle is responsible for the circular motion of the particle, and the radius of the circle is related to the velocity, magnetic field, and the mass of the particle.

The radius of the circular path can be calculated using the formula R = mv/qB, where m is the mass of the particle, v is the velocity of the particle, q is the charge on the particle, and B is the magnetic field strength.

Plugging in the given values, we get:

R = (3.1 × 10^-12 kg) × (8.1 × 10^3 m/s) / (-1.9 × 10^-6 C × B)

Simplifying, we get:

R = - 13.11 m^2 / (C kg s B)

Rearranging the terms, we get:

B = - 13.11 m^2 / (C kg s R)

Plugging in the given values, we get:

B = - 13.11 m^2 / (C kg s × 0.05 m) = - 5.24 × 10^-9 T

The magnitude of the magnetic field is 5.24 × 10^-9 T.

The direction of the magnetic field can be found using the right-hand rule. If we point our right thumb in the direction of the velocity vector and our fingers in the direction of the magnetic field vector, then the direction of the force vector is perpendicular to both and can be found using our right hand. In this case, the force vector points upward, so the magnetic field must point into the page (i.e., in the negative z-direction).

Answer:

3.2 kJ

Explanation:

Since torque, τ = Iα where I = moment of inertia of round whetstone = 4.0 kgm² and α = angular acceleration of round whetstone.

So, α = τ/I

Given that τ = 20 Nm,

α = τ/I

α = 20 Nm/4.0 kgm²

α = 5 rad/s²

Using the equation for rotational motion, the angular velocity, ω = ω₀ + αt

where ω₀ = initial angular speed of round whetstone = 0 rad/s (since it starts from rest), ω = final angular speed of round whetstone, α = angular acceleration of round whetstone = 5 rad/s² and t = time of rotation = 8 s.

So, substituting the values of the variables into the equation, we have

ω = ω₀ + αt

ω = 0 rad/s + 5 rad/s² × 8s

ω = 0 rad/s + 40 rad/s

ω = 40 rad/s

So, its kinetic energy change ΔK = K₂ - K₁ = 1/2Iω² - 1/2Iω₀²

where K₁ = initial kinetic energy of round whetstone = 0 J (since the stone starts from rest) and K₂ = final kinetic energy of round whetstone after 8 s

Substituting the values of the variables into the equation, we have

K₂ - K₁ = 1/2Iω² - 1/2Iω₀²

K₂ - 0 J = 1/2 × 4.0 kgm² × (40 rad/s)² - 1/2 × 4.0 kgm² × (0 rad/s)²

K₂ = 2.0 kgm² × 1600 rad²/s² - 0 J

K₂ = 3200 kgm²rad²/s² - 0 J

K₂ = 3200 J

K₂ = 3.2 kJ

Answer:

Q andA : Density of an irregular shape

1: the density of something is just th mass divided by the volume:D=m\V

2: As described in the previous question the density is given by D= M\V

3: the density just means how much mass per volume.

Answer:

You decide to drop two different objects from a tall building and discover that one of the objects lands on the ground five seconds before the other object. What can you conclude? Newton's second law is not valid because each object should experience the same force of gravity and therefore should land at the same time.

Explanation:

You decide to drop two different objects from a tall building and discover that one of the objects lands on the ground five seconds before the other object. What can you conclude? Newton's second law is not valid because each object should experience the same force of gravity and therefore should land at the same time.

You decide to drop two different objects from a tall building and discover that one of the objects lands on the ground five seconds before the other object. What can you conclude? Newton's second law is not valid because each object should experience the same force of gravity and therefore should land at the same time.

Answer:

Direct variation suggests that two variables change in the same direction, when one variable decreases the other increases.

The magnitude of the force F required to rotate the pulley with a radius of 0.05 m and moment of inertia of 0.2 kg·m², resulting in an angular acceleration of 2 rad/s², is 0.4 N.

To determine the magnitude of the force F, we need to consider the torque acting on the pulley and the moment of inertia of the pulley. The torque exerted on an object is equal to the product of the force applied and the lever arm distance.

The torque (τ) can be calculated using the formula:

τ = I * α

In this case, the given moment of inertia of the pulley is 0.2 kg·m² and the angular acceleration is 2 rad/s².

τ = (0.2 kg·m²) * (2 rad/s²)

τ = 0.4 N·m

The torque is equal to the force F multiplied by the radius (r) of the pulley. Since the radius is given as 0.05 m, we can write the equation as:

τ = F * r

0.4 N·m = F * 0.05 m

F = 0.4 N / 0.05 m

F = 0.4 N

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The density of water is 1.0 g/cm³. It's required to determine the mass of water displaced by a submerged 120-cm³ block and the buoyant force on the block.To find the mass of water displaced by a 120 cm³ block, we first need to know the mass of 1 cm³ of water, which is equal to its density, which is 1.0 g/cm³.

The volume of the block is 120 cm³, so we can calculate its mass by multiplying its volume by the density of water. Therefore, the mass of the block submerged in water is:120 cm³ × 1.0 g/cm³ = 120 gTo find the number of kilograms, we divide the value obtained by 1000. Therefore, 120 g = 0.12 kg.The buoyant force is equal to the weight of the water displaced by the block. The buoyant force equals the weight of water displaced by the object.

The weight of 1 cm³ of water is 9.8 N (newtons), which is equal to the weight of 1 g of water. We can use this to calculate the weight of water displaced by the block as follows:120 cm³ × 1.0 g/cm³ × 9.8 N/g = 1176 NTherefore, the buoyant force acting on the block is 1176 N (Newtons).

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Answer: I think it’s 32 m/s

Explanation: Vi=20 m/s

Vf=?

a=3.0 m/s^2

t= 4s

Vf= Vi + at

Vf= 20 m/s + (3 m/s^2)(4s)

Vf= 20 m/s + 12m/s

Vf= 32m/s

If A cheetah running initially at a velocity of 20 m/s accelerates

uniformly at 3.0 m/s2. The velocity of the cheetah after 4.0 seconds will be 32 m/s.

To find the velocity of the cheetah after some time we can use the formula:

v = u + at

where:

v = final velocity

u = initial velocity

a = acceleration

t = time

Given:

Initial velocity (u) = 20 m/s

Acceleration (a) = 3.0 m/s²

Time (t) = 4.0 seconds

now we can put values in eq.

v = 20 m/s + (3.0 m/s²) * 4.0 s

v = 20 m/s + 12 m/s

v = 32 m/s

so the answer is 32 m/s.

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The answer to your question is (c): each point of a light-emitting object sends an infinite number of rays. This is because light is a form of electromagnetic radiation that is emitted in all directions from a source.

Each point on an object emits light in all directions, meaning that an infinite number of rays are sent out from each point. This is why we can see objects from different angles and perspectives - because light is being emitted in all directions from each point on the object.

However, it's important to note that not all of these rays will necessarily reach our eyes, as they can be blocked or scattered by other objects in the environment.

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Answer:Fricition

Explanation: It is fricition in the net force

A car is speeding up with a force of 120 mph and heading east. The force of friction acts against the car with a force of 80 N westward, and the net force acting on the car is 40 N eastward, which means the car is accelerating eastward with a force of 40 N.

To calculate the net force acting on the car, one needs to consider the direction and magnitude of the forces acting on it. A force of 120 N to the east is acting to accelerate the car in that direction, and a force of 80 N to the west is acting to oppose the motion of the car.

Net force = force of acceleration -force of friction.

Net force = 120 N east- 80 N west.

Net force = 40 N East

Hence, the net force acting on the car is 40 N eastward, which means the car is accelerating eastward with a force of 40 N.

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Therefore, we cannot calculate the exact time for one cycle without more information.

The time for one cycle of a planet around the Sun is determined by its orbital period, which is related to the average distance of the planet from the Sun. In this case, if the average distance of the planet from the Sun is 21 astronomical units (A.U.), we can use Kepler's Third Law to calculate the orbital period.

Kepler's Third Law states that the square of the orbital period (T) is proportional to the cube of the average distance (r) between the planet and the Sun. Mathematically, it can be expressed as:

T^2 = k * r^3

Where k is a constant.

Given that the average distance is 21 A.U., we can set up the following equation:

T^2 = k * 21^3

To solve for T, we need the value of the constant k. However, without further information or additional equations, we cannot determine the specific value of k. Therefore, we cannot calculate the exact time for one cycle without more information.

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The wavelength is 6.04 nm.

since

λ=hc/E

λ=6.626×10^ −34×3×10 ^8/(3.29×10−19)

λ=6.04nm

The distance between identical points (adjacent crests) in adjacent cycles of a waveform signal carried in space or down a wire is defined as the wavelength. This length is often defined in wireless systems in meters (m), centimeters (cm), or millimeters (mm) (mm).

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Answer:

The answer is below.

Explanation:

According to geographical coordinates and related information, when the latitude is lower, that is closer to the equator the temperature becomes warmer. While the far away from the equator the latitude is the temperature decreases.

Similarly, the water bodies have a relative effect that is considered little or less severe on the temperature throughout any of the seasonal period or day and night.

Answer:

6.002

6.020

6.023

6.302

Explanation:

Answer:

Consensus: the extent to which other people behave in the same way in a similar situation.

Consistency: refers to the way in which minority influence is more likely to occur if the minority members share the same belief and retain it over time.

Distinctiveness: refers to the extent to which a specific action engaged in by an individual is unusual or uncommon for that particular individual

Answer:

An Alphabet with an arrow on top

Explanation:

Vectors are denoted by alphabets in boldface or alphabets with arrows above them

Specific heat capacity of solid magnesium is 0.9556 J/g C.

What is specific heat capacity?

When a material's temperature rises by 1 K (or 1 °C), or when its mass increases by 1 kg, the specific heat capacity is defined as the amount of heat (J) absorbed per unit mass (kg). This measurement is expressed as J/(kg K) or J/(kg °C).

According to the given question:

C = Q/m.T

T = T2 - T1 = 38.9 - 24.5 = 14.4 C

C = 11.7/(161 x 14.4) = 0.9556 J/g C

Specific heat capacity of solid magnesium is 0.9556 J/g C.

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Answer:

20 steps is his displacement

Answer:

True!

Explanation:

Scientists usually state or determine the average temperature/precipitation over a long period of time. Several different tables or graphs are used to prove and check that this is true. Hope this helps!

The most appropriate action by an ACE Certified Personal Trainer would be to Encourage the client to see a doctor to get a diagnosis and treatment plan.

Other actions can be:

Discontinue the exercise session.

Ask the client about their medical history and any medications they are taking.

Work with the client to create a safe and effective exercise program that does not aggravate their dizziness.

Dizziness is a symptom that can be caused by a number of different conditions, including dehydration, low blood sugar, heart problems, and inner ear problems. It is important to get a diagnosis from a doctor to rule out any serious medical conditions.

Once the cause of the dizziness is known, the client can work with their personal trainer to create an exercise program that is safe and effective.

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PV cells are devices that convert sunlight into electricity, enabling the use of solar power. The switch over or change over to PV cells involves transitioning from conventional grid electricity to utilizing solar energy, offering environmental and economic benefits.

Photovoltaic (PV) cells, also known as solar cells, are devices that convert sunlight directly into electricity. They are made of semiconducting materials, such as silicon, that absorb photons from sunlight and release electrons, generating an electric current. PV cells are a key technology in solar power systems, enabling the conversion of solar energy into usable electrical energy.

Switch over or change over, in the context of PV cells, refers to the process of transitioning from using conventional grid electricity to relying on solar power generated by PV cells. This switch can involve installing PV panels on rooftops or in other suitable locations, connecting them to an inverter to convert the DC electricity produced by the PV cells into AC electricity compatible with household or commercial electrical systems.

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The principle involved is the conservation of momentum, where the boat moves in the opposite direction to maintain total momentum zero.

The physics principle involved in the movement of the boat as the man jumps onto the jetty is the principle of conservation of momentum. According to this principle, the total momentum of an isolated system remains constant if no external forces act on it.

In this scenario, the boat and the man can be considered as an isolated system since there are no external forces acting on them. Initially, when the man is standing on the boat, the system is at rest, and the total momentum is zero.

When the man jumps off the boat and onto the jetty, he exerts a force on the boat in one direction. According to Newton's third law of motion, for every action, there is an equal and opposite reaction. As the man pushes off the boat, the boat experiences an equal and opposite force that propels it in the opposite direction.

Due to the conservation of momentum, the momentum gained by the boat in one direction is equal to the momentum lost by the man in the opposite direction. As a result, the boat moves away from the jetty, exhibiting a backward motion.

This principle can be mathematically expressed as:

Initial momentum of the system = Final momentum of the system

Since the initial momentum is zero, the final momentum of the system (including the man and the boat) must also be zero. The momentum gained by the boat ensures that the total momentum of the system remains conserved.

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