In a wire, when elongation is 4 cm energy stored is E. if it is stretched by 4 cm find the energy stored

Answers

Answer 1

The answer is 25 E

We know, potential energy of spring is given by (1/2)kx² where k is spring constant and x is stretched distance.

Here , x=4 cm so, U=(1/2)k*4²=8k

For, x= 4cm :-

E=(1/2)k* 4²= 8k=U.

Final potential energy will be E= U.

Related Questions

which statement regarding vessel maintenance is true?
A- When storing a vessel for a long time, it is best to keep it in the sun and uncovered
B- when cleaning a vessel, use regular household detergents and cleaners
C- When replacing electrical parts on a vessel, never use automotive parts
D- When preparing your vessel for cold weather, use antifreeze that contains ethylene glycol

Answers

C most likely because the rest are wrong

The true statement is that when a person is person is preparing their vessel for cold weather, then it's important to use antifreeze which contains ethylene glycol.

During cold weather, it's common for vessels to have their parts or engine frozen due to the weather.

The freezing of the engine can lead to an accident or spoil the vessel. Therefore, it is advisable to use ethylene glycol since it's an antifreeze and using it can prevent an accident or spoilage of the parts of the vessel.

Therefore, the correct option is D.

Read related question on:

https://brainly.com/question/23062643

Which of the following is a clear indicator that the tire is at the end of its legal life?

Select one:
A. Out-of-Balance Conditions
B. Tread depth above the level of built-in wear indicators
C. Low tire pressure
D. Tread depth below the level of built-in wear indicators

Answers

Answer:

Option D, Tread depth below the level of built-in wear indicators

Explanation:

The legal life of tire is checked by looking out for tread wear indicators. In general, tread wear indicators are nothing but small bars of width of 5 mm. These bars are built in the main grooves of the tires.

If the tire tread is at the top level of the tread wear indicating bar, then it means that tires have reached the legal limit of tire death (1.6 mm)

Hence, option D is correct

Which of the following are hazards associated with portable ladders?

A) Ladder is not positioned correctly

B) Ladder is too long

C) Ladder is not tied off correctly

D) Unsteady ladder

Answers

Answer:

A,C, and D

Explanation:

Potible ladders have to configure with many designs in mind but the most evedent is that they are usally unstable

BRAINLIEST PLS

The following are the hazards associated with portable ladders are:

A) Ladder is not positioned correctly

C) Ladder is not tied off correctly

D) Unsteady ladder

What are portable ladders?

Portable ladders are those ladders that can be folded and light weighted and made up of plastic or steel. They are portable to be used in homes and indoors.

They are easy to transport and easy to work with because they are lightweight, and they take less space to put them. But as they are lightweight, they will easily fall down.

They contain support behind them, they don't need to tie down and need support, so there are chances of being it unsteady.

Thus, the hazards associated with portable ladders are:

A) Ladder is not positioned correctly

C) Ladder is not tied off correctly

D) Unsteady ladder

To learn more about portable ladders, refer to the link:

https://brainly.com/question/28069347

#SPJ2

Other Questions

Simplify the expression. (8.6)0118.60 If 0.654 g of oxygen dissolves in 1.5 L of water at 1.65 atm, at what pressure (in atm) would you be able to dissolve 1.35 g in the same amount of water? HELP THIS IS FOR MY FINAL GRADE Ida's ice-cream stand has increasing profits each week during the hot summer months. Ida finds that each week during the summer her profits increase by 15% over what they were the previous week. In her first week of business, her profits were $600. How much money will she make in all over 5 weeks? which feature of stem cells enable them to replace cells in tissues such as skin? What is the difference between the U.S. system of government and Great Britains parliamentary system? Really stuck, please help Attempts to register southern African American voters had limited success.TrueOrFalse How does Louise demonstrate appropriate behavior for participating in a group discussion? Select two options.She encourages the contributions of other group members.She comes prepared with information that is important to the discussion.She makes sure the other group members acknowledge her point of view.She allows the other group members to choose the focus of the discussion.She dominates the discussion by insisting that the score board be ordered by next week.o a water main is to be constructed with a 10% grade in the north direction and a 20% grade in the east direction. determine the angle theta required in the water main for the turn from north to east help...................... What is 25% of 24?What is 15% of 60?9 is what percent of 72 2- La longueur d'un rectangle mesure 2 cm de plus que le triple de sa largeur. Si le primtre de ce rectangle est suprieur 12 cm, mais d'au maximum 48 cm, dans quel intervalle se situe la largeur de ce rectangle? Shante is calculating the amount of time it takes a rocket to get to the moon. The moon is around 239,000 miles from Earth. How many hours would it take a rocket that can travel at 200 miles per minute to travel to the moon? Round to the nearest hour. Only forager bees leave the nest for their jobsATrueBFalse What event led to the National Guard shooting 4 Kent State University students?A) The US announced that 18 year old's would be drafted into the Vietnam War.B) The Civil Rights leader, Martin Luther King Jr., was assassinated causing massive civil unrest. C) It was believed that Communist propaganda was being used to indoctrinate college students across America. D) President Nixon announced the war in Vietnam would be escalating into Cambodia as students protested for the war to end. Noah assigns a number to each of the 150 athletes at his school and puts the numbers in a box. He randomly chooses 30 numbers and finds that 18 of theathletes watched television last night. Use this sample to make an inference about how many athletes watched television last night. what's the ph of 0.0000067 m hcl solution If the triangles are similar which are true a train moving at the rate of 50 km per hour in struck by a stone moving with a velocity of 40 km above are making an angle of 60 degree with the direction of the train find the velocity with which the stone appears to an observed in the train to strike the train Right-of-way isA. the immediate use of a certain part of the roadwayB. the permission to disobey a traffic control deviceDC. taken, not given to youdifferent in each US state