Monikalimbu Monikalimbu

01-05-2019
Physics

contestada

the value of efficiency is never 100% or more in practice. why

Respuesta :

MuhammadSaqib MuhammadSaqib

01-05-2019

Answer: Because of presence of friction in most cases as friction exists in ever machine/body, so whenever it works, friction causes heat and sound energy as well, hence, proving that a system cannot be 100% efficient due to friction.

Answer Link

Otras preguntas

A 16.0 kg canoe moving to the left at 10 m/s makes a head-on collision with a 19.0 kg raft moving to the right at 7.0 m/s. After the collision, the canoe moves

A parking garage bases its prices on the number of hours that a vehicle parks in the garage.The first two hours cost $2 per hour, between two hours and six hour

Help me with ixl please

PLSS HELP MEEE!! It'll be very appreciated

Gaspar writes the algebraic expression 5b +3.79. It represents the total cost, in dollars, of buying 5 bagels and a container of cream cheese. Identify any vari

A population of 50 foxes in a wildlife preserve doubles in size every 14 years. The function y = 50.2*, where x is the number of 14-year periods, models the pop

A circle with a radius of 5 is transformed into the following function: (x/3)² + (5y)² = 25 What percentage of the original circle's area is the area of the new

In the diagram of a gate, the horizontal bars are parallel and the vertical bars are parallel. Find x and y. Complete the explanation Indicating which postulate

Help with is ixl please

Five times a number decreased by 2 is 4, find the number.