A rabbit sees carrot to his right and starts jumping towards it with a velocity of 4.0meter per sec it speeds up to its maximum velocity of 13 meter per sec with a constant acceleration of 2.0 metre per sec square how long does it take for the rabbit to go from 4.0 metre per sec to 13.0 metre per square

Answer:

conduction.

Explanation:

Hoped I helped! Im Eve btw have a great day and consider marking this brainliest if you do thank you in advanced!

The evidence that scientists have that Mars used to have a magnetic field is this:

B. The atmosphere of Mars contains evidence of a magnetosphere.

Scientists base whatever conclusions they reach on a subject matter on evidence. To reach their conclusion that mars had a magnetic field that protected it, they used a device known as an orbiter to measure the magnetic strength of mars.

Their discovery showed that the magnetic field on Mars was ten times as strong as the earth's field. This gives evidence of the fact that at a certain time, there was a strong magnetic field on Mars.

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The speed of the cart at a height of 0.17 m above the bottom of the incline would be 3.90 m/s.

Let's call the speed of the cart at a height of 0.17 m above the bottom of the incline "v". We can calculate v using the following equation:

v^2 = 2 * g * (h1 - h2)

where

g = 9.8 m/s^2 (acceleration due to gravity)

h1 = 0.94 m (initial height)

h2 = 0.17 m (final height)

Plugging in the values, we get:

v^2 = 2 * 9.8 * (0.94 - 0.17)

v^2 = 2 * 9.8 * 0.77

v^2 = 15.156

v = sqrt(15.156)

v = 3.90 m/s

So the speed of the cart at a height of 0.17 m above the bottom of the incline would be approximately 3.90 m/s.

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Answer:

If your parents are tall there's a big change you will be too, if your parents are short you'll be short. If you have a tall dad and a short mom you'll be in the middle of short and tall.

Explanation:

;)

Answer:

When metals react with non-metals, electrons are transferred from the metal atoms to the non-metal atoms, forming ions. The resulting compound is called an ionic compound.

:

Answer:

B

Explanation:

remember that you are looking for the value of the graph

to take into account or value a lot: prize, estimate to value your opinion. 2nd: estimate or assign the monetary value of: appraise a necklace. b: qualify or scale in utility, importance or general value: evaluate. value.

u=0 m/s

h=2.5m

Using kinematic eq:

\( {v}^{2} - {u}^{2} = 2gh \\ {v}^{2} - {0}^{2} = 2gh \\ v = \sqrt{2gh} \\ v = \sqrt{2 \times 10 \times 2.5} \\ v = \sqrt{50} \\ v = 7.07m/s\)

The pressure 30.0 meters under water which is 396 kPa, is approximately 3.91 atm and 2970.25 mmHg.

To convert the pressure 30.0 meters under water, which is 396 kPa, to atm and mmHg:

1. To Convert kPa to atm
To convert the pressure from kPa to atm, you can use the following conversion factor:
1 atm = 101.325 kPa

So, divide the pressure in kPa (396 kPa) by the conversion factor (101.325 kPa/atm):
396 kPa / 101.325 kPa/atm = 3.91 atm (approximately)

The pressure 30.0 meters under water in atm is approximately 3.91 atm.

2. To Convert kPa to mmHg
To convert the pressure from kPa to mmHg, you can use the following conversion factor:
1 kPa = 7.50062 mmHg

Multiply the pressure in kPa (396 kPa) by the conversion factor (7.50062 mmHg/kPa):
396 kPa * 7.50062 mmHg/kPa = 2970.25 mmHg (approximately)

The pressure 30.0 meters under water in mmHg is approximately 2970.25 mmHg.

In summary, the pressure 30.0 meters under water, which is 396 kPa, is approximately 3.91 atm and 2970.25 mmHg.

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Sound would be affected if there was no matter to vibrate, and there would be no sound.

option B is the correct answer.

Mechanical wave is a type of wave that requires material medium for its propagation.

That is, for mechanical wave to be effective, there must be a material medium for its propagation.

The examples of mechanical wave include the following;

The above mentioned examples of mechanical wave requires material medium for their propagation.

Thus, a sound wave which is an example of mechanical wave will be affected in the absence of material medium for their propagation.

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Answer:

Sorry for being late. Hope this helps

Explanation:

The wattage of a load that draws 12 amps and is connected to a 240V supply can be calculated using the formula: Wattage = Voltage x Current. Therefore, the wattage would be 240V x 12A = 2,880 watts.

To calculate each student's electric bill, we need to determine the energy consumption in kilowatt-hours (kWh) for each lamp and multiply it by the cost per kWh. For the student using the 100 watt incandescent lamp: Energy consumption per day = (100 watts / 1000) kW x 5 hours = 0.5 kWh Energy consumption per month = 0.5 kWh x 30 days = 15 kWh Electric bill = 15 kWh x $0.15/kWh = $2.25 For the student using the 28 watt energy-saving lamp: Energy consumption per day = (28 watts / 1000) kW x 5 hours = 0.14 kWh Energy consumption per month = 0.14 kWh x 30 days = 4.2 kWh Electric bill = 4.2 kWh x $0.15/kWh = $0.63 To determine which student will experience electrical trouble if every light is on at the same time, we need to compare the total ampacity of each student's lamps to the maximum ampacity of the circuit. For student A: Total ampacity = 20 lamps x 100 watts / 120 volts = 16.67 amps For student B: Total ampacity = 20 lamps x 28 watts / 120 volts = 4.67 amps Since the maximum ampacity of the circuit is 15 amps, student B will not experience electrical trouble, but student A will exceed the maximum ampacity. The initial cost for the lamps can be calculated by multiplying the number of lamps by their respective costs. For student A (incandescent lamps): Initial cost = 20 lamps x $1/lamp = $20 For student B (LED lamps): Initial cost = 20 lamps x $7/lamp = $140 To find the breakeven point, we need to compare the lifespan of the lamps. Since the LED lamps last 8 years and the incandescent lamps last 6 months (0.5 years), the breakeven point would be when the cost of replacing incandescent lamps every 0.5 years equals the cost of purchasing and using LED lamps for 8 years.

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Electric and hydrogen are promising alternative energy sources for transportation, offering benefits such as reduced emissions and lower operating costs, although they also face challenges related to infrastructure and production methods.

Electric and hydrogen are two promising alternative energy sources for transportation that have gained significant attention in recent years. Here are some key points about each:

Electric Vehicles (EVs): EVs use electricity stored in batteries to power an electric motor.

They offer several advantages, including zero tailpipe emissions, reduced dependence on fossil fuels, and lower operating costs compared to traditional internal combustion engine vehicles.

The growth of EV infrastructure and advancements in battery technology have contributed to their increasing popularity.

Hydrogen Fuel Cell Vehicles (FCVs): FCVs use hydrogen gas to generate electricity through a chemical reaction in a fuel cell, which then powers an electric motor. FCVs produce zero tailpipe emissions since the only byproduct is water vapor.

Hydrogen fuel can be refueled quickly, similar to traditional gasoline vehicles, providing a longer driving range compared to battery-powered EVs.

Both electric and hydrogen vehicles have their own set of challenges. For EVs, limited charging infrastructure and range anxiety remain concerns, although they have been improving over time.

Hydrogen FCVs face challenges related to hydrogen production, storage, and distribution infrastructure.

Additionally, the overall environmental impact of these alternative energy sources depends on the methods used for electricity or hydrogen production.

The adoption of alternative energy sources for transportation is a complex and evolving field.

It often involves a combination of technological advancements, policy support, and infrastructure development to enable widespread adoption and address existing challenges.

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Answer:

2 moles of phosphorus difluoride

2PFsubscript2

I hope it will be useful.

a) The power input to the compressor in the Carnot refrigeration cycle, in order to supply 2 kW of cooling to the room, will depend on the efficiency of the cycle and the heat transfer involved.

b) The net power input to the cycle can be determined by considering the work done by the compressor and the work done on the system.

a) To calculate the power input to the compressor, we need to determine the heat transfer from the groundwater to the room. The Carnot refrigeration cycle is an idealized cycle, and its efficiency is given by the equation: Efficiency = 1 - (T_evaporator / T_condenser), where T_evaporator and T_condenser are the temperatures at the evaporator and condenser, respectively. Using this efficiency, we can calculate the heat transfer from the groundwater and convert it to power input.

b) The net power input to the cycle takes into account the work done by the compressor and the work done on the system. It can be calculated by subtracting the work done by the compressor from the heat transfer from the groundwater. The work done by the compressor can be determined using the power input calculated in part a), and the heat transfer from the groundwater can be obtained using the given temperatures and the specific heat properties of the refrigerant.

Overall, the Carnot refrigeration cycle involves several calculations to determine the power input to the compressor and the net power input to the cycle, considering the heat transfer and work done in the system.

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Answer:

Picture?

Explanation:

The roller coaster will have equal kinetic and potential energy at any point starting from rest and reaching the minimum height.

The given problem is based on the concepts and fundamentals of kinetic energy and potential energy. The energy of an object by virtue of its position is known as kinetic energy. And the energy of object by virtue of its position is called potential energy.

Thus, we can conclude that the roller coaster will have equal kinetic and potential energy at any point starting from rest and reaching the minimum height.

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The final speed of the 2.3-kg object is 3.47 m/s. In an elastic collision, both momentum and kinetic energy are conserved. We can use these conservation principles to solve for the final speed of the 2.3-kg object.

First, we'll need to calculate the initial momentum of each object:
p1 = m1v1 = (2.3 kg)(6.1 m/s) = 14.03 kg m/s
p2 = m2v2 = (3.5 kg)(-4.8 m/s) = -16.8 kg m/s
The negative sign for p2 indicates that the object is moving in the opposite direction.
The total initial momentum of the system is:
p1 + p2 = -2.77 kg m/s
Next, we'll use conservation of momentum to find the final velocity of the system:
p1 + p2 = p1' + p2'
where p1' and p2' are the final momenta of each object. Since the objects are moving in opposite directions, their momenta have opposite signs:

p1' = m1v1'
p2' = m2v2'
We can solve for v1' and v2' in terms of the initial velocities and masses:
v1' = ((m1 - m2)/(m1 + m2))v1 + (2m2/(m1 + m2))v2
v2' = (2m1/(m1 + m2))v1 - ((m1 - m2)/(m1 + m2))v2
Plugging in the given values, we get:
v1' = (-0.6 m/s)
v2' = (2.87 m/s)
The final velocity of the 2.3-kg object is positive, indicating that it is moving in the same direction as its initial velocity. Therefore, the final speed of the object is:
v1' = 3.47 m/s

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Answer:2.86seconds

Explanation:

H=gt^2/2

t=2h/g

Answer:

no, same, positive, initial

Explanation:

The wasted energy in processing food is "lost" to heat energy .

The form of energy which is transferred between objects having different temperature is called heat energy.

Thus, we can conclude that heat energy is wasted in the food processing .

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It's essential to terminate coaxial cables with connectors rated for the exact cable type because it ensures optimal performance, signal integrity, and impedance matching.

Terminating a coaxial cable with connectors that are rated for the exact cable type is important because it ensures optimal performance and signal integrity. Coaxial cable is designed to carry high-frequency signals, and the connectors play a crucial role in maintaining the quality of those signals. Different cable types have different electrical characteristics, such as impedance, capacitance, and attenuation, and using the wrong connectors can lead to impedance mismatches, signal loss, interference, and other issues. For example, if you use connectors with a higher impedance rating than the cable, it can cause reflections and reduce the amount of power that reaches the destination. On the other hand, if you use connectors with a lower impedance rating, it can cause signal distortion and reduce the signal-to-noise ratio. Therefore, it is important to choose connectors that match the cable type and meet industry standards to ensure reliable and consistent performance.
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Answer:

In a electric circuit. Wire, cell,switch,bulb are used

Explanation:

one wire is directly connected with battery from cell or battery to bulb and another wire is connected to battery to switch from bulb. switch is used to disconnect and connect wire easily.

The sounds emitting from Ross' car can be characterized as low frequency, high amplitude.

The question states that pedestrians often stare at Ross' car due to the loud, low-pitched booming sound they hear. From this description, we can infer certain characteristics of the sound.

Low frequency refers to sounds with a lower pitch, such as deep bass notes. These low-pitched sounds are associated with lower frequencies on the sound spectrum.

High amplitude refers to the intensity or loudness of the sound. When a sound is described as loud, it indicates a high amplitude or a greater magnitude of sound waves.

Therefore, the sounds emitting from Ross' car can be characterized as low frequency (low-pitched) and high amplitude (loud). This combination of characteristics results in the loud, low-pitched booming sound that draws the attention of pedestrians.

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The chemical energy in food is converted by the body into mechanical energy and heat. The chemical energy in coal is converted into electrical energy at a power plant. The chemical energy in a battery can also supply electrical power by means of electrolysis.

How can energy be converted from one form to another?

Energy can change from one form to another. For example, when you switch on a light bulb, electrical energy changes to thermal energy and light energy. A car changes energy stored in the chemical bonds of gasoline to several different forms. A chemical reaction in the engine changes chemical energy to light

How is chemical energy converted to mechanical energy and heat energy in the body?

In the human body chemical energy in the form of the glucose in our food is turned into mechanical energy in the process of movements such as running or lifting heavy objects. The muscles serve as a transducer, through muscle contraction energy is transformed from chemical to mechanical energy.

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The overestimated distance traveled between t=0 and t=5 is 158 meters.

To estimate the distance traveled, we can use the trapezoidal rule to approximate the area under the curve of the velocity function v(t). The trapezoidal rule divides the interval [0, 5] into subintervals with a width of 1 second and approximates each subinterval as a trapezoid. The formula for the trapezoidal rule is ∫[a,b] f(x) dx ≈ ∑[(i=1 to n)] [f(x_i-1) + f(x_i)] * Δx / 2, where Δx is the width of each subinterval.

Using this formula, we can calculate the overestimated distance traveled:

s ≈ [f(0) + 2f(1) + 2f(2) + 2f(3) + 2f(4) + f(5)] * Δt / 2

≈ [0 + 2(1^2 + 6) + 2(2^2 + 6) + 2(3^2 + 6) + 2(4^2 + 6) + (5^2 + 6)] * 1 / 2

≈ 158 meters.

This provides an overestimate of the distance traveled between t=0 and t=5.

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Answer:

rs 900

Explanation:

the process is given

We can conclude that the total momentum of the system before the collision is equal to the total momentum of the system after the collision.

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