mimi2341 mimi2341

08-11-2017
Physics

contestada

Suppose a vacuum cleaner uses 120 J of electrical energy is 45 J are used to pull air into the vacuum cleaner how efficient is the vacuum cleaner

Respuesta :

PeacefulPassion PeacefulPassion

08-11-2017

Very efficient because it uses less then half to do the action then the vacuum actually stores.

Answer Link

Otras preguntas

Simplify the expression using the distributive property 9(4y-7)

Round 0.01123 to the nearest hundredth?

which of the expressions doe not contain any like terms? a. 2x2+3x-4x+2 b. xy+yz-17 c. x2+x2-2x-x2 d. 4+8+y

What is the ratio 12 to 63 written as a fraction in lowest terms?

A woman lifts her 100-newton child up one meter and carries her for a distance of 50 meters to the 3.2 child’s bedroom. How much work does the woman do?

Solve 4y-70=12y+2 explain

What is the answer to 15=k+8.2

Help with number 11? Please

Solve the equation X+16=9x explain

what is the balance on a deposit of $1,150 that earns 9% interest compounded annually for 2 years