21fechshyrf 21fechshyrf

13-05-2021
Physics

contestada

A construction worker puts 20 J of energy in to one strike of his hammer on the head of a nail. The energy transferred to driving the nail into the wood is 8.0 J. What is the efficiency of the construction worker's hammering? (2 sig figs and answer in a percentage)

Respuesta :

heytrevoreun heytrevoreun

13-05-2021

Answer:

The efficiency of the constuction is 9.0

Explanation:

Answer Link

Otras preguntas

PLEASE HELP!!!!!!! GEOMETRY

In symphysis joints the articular surfaces of the bones are covered with ________.

An eating disorder characterized by bingeing and purging is?

Which of the following statements is true

what is 51.95 rounded to the nearest cent?

Identify which types of discrimination the genetic information non-discrimination act (gina) protects individuals from: health insurance and employment discrimi

In this example a recession started with business borrowing declining by __________ billion dollars because of pessimism regarding profit opportunities in the s

What type of noun is the word in bold? samuel looked for an answer to the problem by reading his textbook. a. proper?

which is the best method for visually representing the data for comparison

answer fir brainliest