Which formula equation shows a reversible reaction?

Answer:

This question appear incomplete

Explanation:

This question appear incomplete because of the absence of the time the honeybee spent while travelling from the hive. However, if we are to assume that the honeybee spent the same amount of time leaving/travelling as when it was returning. Then the formula to be used is

Speed = distance ÷ time

distance = speed × time

distance = 4 × 1

distance = 4 miles

To determine the displacement of the honeybee, the total distance covered by the honeybee in both to and fro journey will have to be summed (this is because displacement is a vector quantity).

Assuming the the speed and time spent while returning is the same with those spent while leaving, then the displacement will be distance × 2 (sum of all the distance covered)

Thus; 4 × 2 = 8 miles

Answer:

the answer is D

Explanation:

To test the flow of electric current through a circuit we can use a lightbulb. If a current is generated the bulb will light with brightness. Thus, option D is correct.

An ammeter is an electric device used to measure the current through a circuit. The current in ampere, milliampere or microampere is recorded by the ammeter through the deflection of its needle.

A magnetic field is always associated with an electric field where, the fields will be right angled to each other. A moving magnet in turn causes an electric current like a moving charge make an electric current.

To light a bulb electrical energy is needed. Thus, we can  test the deflection in electric field using a a light bulb connected to the circuit. If there is a fine passage of electricity, the bulb will lighten. Thus, option D is correct.

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Answer:

Awww <3 you too! You matter too! thanks for the message!

Explanation:

Answer:

the guy above me is correct

Explanation:

just did test

Answer:

What "this"??? Where is it " this"???

Answer:

hold up let me think

Explanation:

Answer: I know this is not the answer but i searched on brainly it gives the answer like search ur own question and find the right one :)

Answer:

If its twice as far the light will be twice as bright.

Explanation:

Answer:

Fusion

Fission

Explanation:

The first problem describes a nuclear fusion process. In this process;

The second problem describes nuclear fission,

Answer:

kinetic energy because when the car moves again it will be faster then it was before

Answer:

Wouldn't it be 17.5. Force doubles in weight.

Explanation:

Answer:

Shouldn't it be 100%

Explanation:

Please explain in the comment section.

Answer:

1. Group B

2. The juice

3. The number of stacks of paper

4. the juice did not help improve a quicker process

5. Group A can be given the juice, Group B can be given the juice without the special ingredient

USE QUIZLET FLASH CARDS IT CAN HELP YOU WITH A LOT OF QUESTION

This suggests that the special juice did not have a positive impact on productivity, and it may even have had a negative effect.

To improve the experiment: Randomized assignment, Control group considerations, Double-blind design, Larger sample size.

1. Smithers' conclusion should be that the special juice did not increase the productivity of the workers. Group B, which did not receive the special juice, actually produced more stacks of paper (2,113 stacks) compared to Group A, which had the special juice (1,587 stacks).

2. To improve the experiment, Smithers could consider implementing the following:

a. Randomized assignment: Ensure that the assignment of workers to groups is done randomly. Random assignment helps minimize any potential bias or confounding variables that could affect the results.

b. Control group considerations: In this experiment, Group B serves as the control group since they did not receive the special juice.

c. Double-blind design: To eliminate potential biases, both the workers and the person assessing their productivity should be unaware of which group received the special juice.

d. Larger sample size: Increasing the sample size can enhance the statistical power of the study and improve the reliability of the results. With a larger sample size, any differences between the groups can be more confidently attributed to the intervention.

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Answer:

altocumulus, cirrocumulus and cumulonimbus are cloud types that signals a warm front

Explanation:

The subject is geography

Answer:

Wrapping the bar with a coil of wire that has an electric current.

Explanation:

To cause an iron bar to start generating a magnetic field, wrap the bar with a coil that has an electric current.

Wrapping the bar with a coil of wire that has electric current can cause an iron bar to start producing magnetic fields. This way, the iron bar becomes a magnet.

Answer: 250kg m/s

Explanation: You multiply 50kg and 5m/s to get 250kg m/s

The momentum of the ball is 250 Kgm/s

Given the following data;

To find the momentum of the ball;

Momentum can be defined as the multiplication (product) of the mass possessed by an object and its velocity. It is a vector quantity and as such has both magnitude and direction.

Mathematically, momentum is giving by the formula;

[tex]Momentum = mass\; * \; velocity[/tex]

Substituting into the formula, we have;

[tex]Momentum = 50 * 5[/tex]

Momentum = 250 Kgm/s

Therefore, the momentum of the ball is 250 Kgm/s

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Answer:

Intelligence

Explanation:

Intelligence involves gathering and analyzing information related to the terrain and environment of enemy forces.

Intelligence is a very important tool in warfare which are often used by Army Generals and other war specialists. This also helps to make adequate plans and preparations in ensuring success and victory is achieved.

Answer:

A mix

Explanation:

A battery is an electrochemical cell that converts chemical energy into electrical energy. The chemical reactions in a battery ensures that current is produced.

A battery is made up of two electrodes which are the cathode and anode.

The cathode is the positive electrode and the anode is the negative one.

These electrodes are made up of metals.

Electrons moves from the anode to the cathode and current flows from cathode to anode.

At the anode oxidation occurs because electrons are produced here.

It needs to have low electron affinity.

At the cathode where reduction occurs, the electron affinity must be high.

This is the driving force for the production of electricity in electrochemical cells.

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Explanation:

Answer:the answer is c:chemical energy is the most important source of energy

Explanation:

The other three are proven facts.

Answer:

40.6789km

243.098km

Explanation:

Answer:

Electromagnets are used in all kinds of electric devices, including hard disk drives, speakers, motors, and generators, as well as in scrap yards to pick up heavy scrap metal. They're even used in MRI machines, which utilize magnets to take photos of your insides!

Explanation:

Answer:

This is because we are surrounded by positive ions from electromagnetic fields generated by computers, cell phones, and other electronic devices which can impair brain function and suppress the immune system causing symptoms such as: anxiety, breathing difficulty, fatigue, headaches, irritability, lack of energy, poor concentration, nausea, and vertigo,

Explanation:

Answer:

Ions can be harmful because ions can produce dangerous indoor ozone and  can waste space and electricity. Hours of negative ion exposure can produce symptoms of depression. On the other hand, ions can help improve our immune systems by strengthening our immune cells. Ions can also speed up the production of antibiotics.

Answer:

Potassium > Vanadium > Zinc > Bromine

Explanation:

The size of an atom can be difficult to estimate. It is measured in terms of the atomic radius.

It is the taken as half of the inter-nuclear distance between covalently bonded atoms of non-metallic elements or half the distance between two nuclei in the solid state of metals.

The elements given all lie in the same period so their atomic radius decreases.

Answer:

t = 2.2 s

Explanation:

Given that,

Height of the roof, h = 24.15 m

The initial velocity of the pumpkin, u = 0

We need to find the time taken for the pumpkin to hit the ground. Let the time be t. Using second equation of kinematics to find it as follows :

[tex]h=ut+\dfrac{1}{2}at^2[/tex]

Here, u = 0 and a = g

[tex]h=\dfrac{1}{2}gt^2\\\\t=\sqrt{\dfrac{2h}{g}} \\\\t=\sqrt{\dfrac{2\times 24.15}{9.8}} \\\\t=2.22\ s[/tex]

So, it will take 2.22 s for the pumpkin to hit the ground.

If a 10Ω resistor is removed and replaced by a 20Ω resistor, at constant voltage, the current will decrease.

This law states that, the current flowing in a conductor is directly proportional to the voltage in the conductor.

V = IR

where;

I = V/R

At constant voltage, when the value of the resistance increases, the value of the current in the ciircuit wil decrease.

Thus, if a 10Ω resistor is removed and replaced by a 20Ω resistor, at constant voltage, the current will decrease.

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Answer: its A I took the test

Answer:

50,000U km

Explanation:

Given

Speed = 50000km/hr

Time of travel = U hours

Required

Distance covered

Using the formula;

Speed = Distance/Time

Distance = speed × time

Substitute the given values;

Distance = 50000 × U

Distance covered = 50,000U km

Hence THE DISTANCE TRAVELED BY THE COMET DURING THIS TIME is 50,000U km

Answer:

if the earth stops rotating the value of g increases

Answer:

μ = 0.4

Explanation:

As, the object is moving at a constant speed. Therefore, the unbalanced force on it must be equal to zero. So, the frictional force on the object must be equal to the force applied to it:

F = frictional force

F = μR = μW = μmg

where,

F = Applied Force  = 20 N

μ = coefficient of friction between wall and floor = ?

m = mass of block = 5 kg

g = 9.8 m/s²

Therefore,

20 N = μ(5 kg)(9.8 m/s²)

μ = 20 N/49 N

μ = 0.4

Answer:calcite

Explanation:

Based on these observations, Calcite is the identity of this mineral sample. Therefore, the correct option is option C among all the given options.

Typically created by inorganic processes, a mineral is a naturally occurring homogenous solid having a specific chemical composition as well as a highly organized atomic arrangement. About 100 of the known mineral species—the so-called rock-forming minerals—make up the majority of the known mineral species, which number in the thousands.

A mineral is different from its laboratory-produced synthetic counterparts since it must by definition develop through natural processes. Based on these observations, Calcite is the identity of this mineral sample.

Therefore, the correct option is option C among all the given options.

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