Which of these is not a conservative force and does not have a form of potential energy connected with it?

Answers

Answer 1

Answer: It sounds a if there should be some types of forses to choose... Anyway, I have got what you need and the forse which is not a conservative force and does not have a form of potential energy connected with it is friction.

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The forklift exerts a 300.0 N force on the box and moves it 15.0 m into the air. How much work does the forklift do? A. 500 J B. 1.50 * 10^3 J C. 4.50 * 10^3 J D. 0.00 J

Answers

Since the equation for Work is as follows....

Work = Force x Displacement

Your equation is...

Work = 300N x 15m

Work = 4,500 Joules

Answer:

0.00 J

Explanation:

A piston above liquid in a closed container has an area of 1m2. The piston carries a load of 350 kg. What will be the external pressure on the upper surface of the liquid in KPA

Answers

Answer:

3.43 kPa

Explanation:

Pressure is defined as the ratio between the force applied and the area of the surface on which the force is applied:

$p=(F)/(A)$

in this problem, the force corresponds to the weight of the load, which is given by the product between its mass (350 kg) and the acceleration due to gravity (9.8 m/s^2):

$F=mg=(350 kg)(9.8 m/s^2)=3430 N$

And since the area on which this force is applied is $A=1 m^2$ , the pressure exerted on the upper surface of the liquid is

$p=(F)/(A)=(3430 N)/(1 m^2)=3430 Pa = 3.43 kPa$

Pressure = force / area

I assume that 350kg is the mass
Therefore,

350 x 9.8 (gravity) = 3430N

3430 / 1 = 3430Pa

3.43 KPa

When the orientation of the Moon is just right, the high tides from the lunar bulge and the solar bulge line up, causing a very strong "Spring tide" --- an especially high high tide and a very low low tide. At what Moon phase(s) will you see a Spring tide?

Answers

Answer:

The correct answer is we see a Spring tide just after a full moon or no moon phase i.e. twice each lunar month.

Explanation:

A spring tide is popularly known as the "King Tide". As the name suggest, it has nothing to do with the season of spring. It gets its name from the idea of "springing forth". During a spring tide, the tidal range i.e. the difference between high and low water, is maximum. This happens when sun and the moon are on the same side of the earth (new moon) as well as when sun and moon are on the opposite side of the earth (full moon).

A kettle transfers 1500 J of energy, 1200 J to a thermal energy store and 300 J to a vibrational energy store (sound). How efficient is the kettle?

Answers

Answer: 0.8

Explanation:

The efficiency is defined as the ratio of total imput energy that is actually utilized to the end of the device.

So if we have a total transfer of 1500j of energy, and 1200j are used to heat the thing inside the kettle, 300j are not used to the actual function of the kettle.

So the efficiency is n = 1200j/1500j = 0.8

This means that a 80% of the energy imput is actually used to heat the kettle.

Final answer:

To calculate the efficiency of the kettle, divide the useful output energy (1200 J) by the total input energy (1500 J) and multiply by 100%. This results in an efficiency of 80%, meaning 80% of the energy was converted into useful thermal energy.

Explanation:

In order to find the efficiency of the kettle, we need to compute the ratio of the useful output energy to the total input energy and then multiply by 100% to convert the decimal to a percentage. In this case, the useful output energy is the 1200 J transferred to the thermal energy store. The total input energy is the total energy transferred by the kettle which is 1500 J. So, the efficiency of the kettle is (1200 J / 1500 J) * 100% = 80%.

The remaining 20% energy is wasted and was transferred to the vibrational (sound) energy store, which is a non-useful energy output. An efficient appliance is one which converts a higher proportion of the input energy into useful output energy, with less of it wasted. In this case, 80% of the energy from the kettle was converted into useful thermal energy, hence the kettle is quite efficient.

Learn more about Efficiency here:

brainly.com/question/33283760

#SPJ3

To which scientific discipline are the fields of geology, materials, and nutrition best related?

Answers

Chemistry is a field of science deals with chemicals, reactions, and their structure. Chemistry is the discipline in which geology, material, and nutrition are studied.

What is chemistry?

The field of science deals with the substances of matter its composition and the checking of their reactions and property of a chemical reaction.

What is geology?

The field of science interact with the physical structure of the earth, and history of the earth's surface, and the processes already done.

To know more about chemistry refer to the link;

brainly.com/question/1882888

Chemistry: geology, materials and nutrition uses the foundations of chemistry to develop their applications, predict results, provide explanations and base their discoveries.

Please help ACTUALLY ANSWER i dont understand CER writing?this is an example:

Claim: cookies are good because they are good
evidence : ¨cookies have 1 billion protien¨- the new york times
reasoning: (what would i put here???)
PLEASE HELP AND ACTUALLUY ANSWER

Answers

Well cer does stand for claim, evidence and reasoning and for reasoning I usually put bs there so, for example

Claim: Cookies are good because they have a lot of protein

Evidence: “Cookies have 1 billion protein.” - New York Times

Reasoning: I chose this because it specifically backs up my claim. Not only do cookies have 1 billion grams of protein they also are very delicious to eat.

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