faithcannon15 faithcannon15

13-10-2016
Physics

contestada

A construction foreman exerts 1300 Newtons of force trying to move a 1200-kg block of concrete. How many Joules of work does he perform?

Respuesta :

13-10-2016

He does no work until the block starts to move ... an unlikely event.

If it ever does move, then the work he does is

(1300) x (the distance the block moves, in meters) .

The unit is 'joules.

Answer Link

Otras preguntas

Create a sentence in the imperfect tense with the components Mi hermano y yo / trabajar / juntos y / llevarse muy bien

Which rational number is equivalent to the expression 69 2/9 - 31 1/9 - (-12 4/9) ?

What is the square root of 16/121 as a fraction

The number of in the nucleus of an atom is the atomic of that element. Because atoms are electrically neutral, the number of protons and in an atom are equal. T

Cody is using a sling shot and rock to knock down a can that he has placed on a tree stump. His first attempt fails because he realizes the rock didn't go far e

John had $2000. He deposited 40% of the money into a simple interest account. The account has a 6% annual interest rate. How much interest has he earned on this

Why does one electron in a potassium atom go into the fourth energy level instead of squeezing into the third energy level along with the eight already there?

HELPPP PLZ PLZ PLZ PLZ

the functuon y=30+5x represents the cost y (in dollars) of having your dog groomed and buying x extra services. does this situation represent a linear function?

Why is it more important for Wallace to choose his career and life in this world over living behind the green door? text is bellow