subject

Physics, 17.06.2020 16:57 jhgfd1170

A construction worker puts 20J of energy in to one strike of his hammer on the head of a nail. The energy transferred to driving d nail in to d wood is 8J. What is d efficiency of d construction worker's hammering?

ansver

Answers: 3

Show answers

Another question on Physics

question

Physics, 21.06.2019 18:20

Find the vertex(use the completing the square method), findthe x- and y-intercepts, and sketch the graph offunction. y = 2x2 + 4x - 1

Answers: 3

question

Physics, 22.06.2019 01:20

Abanked road comer of radius 146 m is to be constructed. if the comer is designed for vehicles moving with a speed of 20.0 m/s, what should the banking angle be, in units of degrees?

Answers: 3

question

Physics, 22.06.2019 10:30

Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.

Answers: 3

question

Physics, 22.06.2019 11:00

A2.00-m long piano wire with a mass per unit length of 12.0 g/m is under a tension of 8.00 kn. what is the frequency of the fundamental mode of vibration of this wire?

Answers: 3

You know the right answer?

A construction worker puts 20J of energy in to one strike of his hammer on the head of a nail. The e...

Questions

question

Mathematics, 03.12.2020 20:50

Explain how you got that answer... Emma is scrapbooking. She has 9 inches of paper and needs to cut it into 2/5 inch stripes of paper. How may strips...

question

Mathematics, 03.12.2020 20:50

HELP ASAP WILL GIVE BRAINLIST PLS ...

question

Mathematics, 03.12.2020 20:50

What is the prime factorazation of 50...

question

English, 03.12.2020 20:50

We needed batteries to activate our flashlights for the camping trip. The root act means to put in motion or the process of doing. What d...

question

Mathematics, 03.12.2020 20:50

The vertices of a rectangle are A(1, 1), B(1, 3), C(2, 3), D(2, 1). Dilate the rectangle using a scale factor of 2, and then translate it 3 units righ...

question

English, 03.12.2020 20:50

FREE POINTS AND BRAINLIEST IF YOU GIVE ME A INTERESTING FUN FACT! THE FIRST ONE HOW DOES GETS BRAINLIEST! Fun Fact : An apple, potato, and onion all...

question

History, 03.12.2020 20:50

Who plays rob. lox adopt me! if u do u have to tell me your best pet and user name u better at least have a legendary fly or ride pet... also ILL GIVE...

question

Mathematics, 03.12.2020 20:50

PLEASE Help ASAP Will GIVE Brainlist ...

question

English, 03.12.2020 20:50

What is the purpose of this sentence within the context of the entire essay? turning points...

question

Mathematics, 03.12.2020 20:50

BRAINLIST Question 1 1 pts Last Friday Zainab had $23. Over the weekend she received some money for a good report card. She now has...

question

English, 03.12.2020 20:50

Why do you think Lincoln devotes most of his Second Inaugural Address to a recollection of the how the war came about and how the war transformed the...

question

History, 03.12.2020 20:50

Is it true that Europeans in central america died of disease, overwork, and starvation?...

question

Mathematics, 03.12.2020 20:50

8 x (3.8+13.12)-6 answers: 37.6 61.4 130 88...

question

Computers and Technology, 03.12.2020 20:50

2.3 pseudocode exercise on edhesive...

question

Spanish, 03.12.2020 20:50

HELL You will write five sentences in Spanish, describing your house. Remember to keep your sentences short and simple and use only vocabulary and gr...

question

Mathematics, 03.12.2020 20:50

Effie is selling candles to raise money for new soccer league equipment. A small candle sells for $8 and a large candle sells for $12. The number of l...

question

English, 03.12.2020 20:50

WL9 M2 Evidence Rewrite Due Wednesday Writing Prompt: Write an essay to evaluate the reasoning and evidence Phillip Hoose uses to convey that J...

question

History, 03.12.2020 20:50

Which of the following most likely motivated Parliament to pass the law in the excerpt? 1)The decline of a strong English identity among colonists

question

Biology, 03.12.2020 20:50

Choose all the answers that apply. Connective tissue attaches muscle to bone joins bones together cushions the body and stores ener...

question

Chemistry, 03.12.2020 20:50

Order the elements from smallest to largest atomic number...

More questions: Physics Another questions

Questions on the website: 13722361