term9ayelly term9ayelly

24-11-2016
Physics

contestada

Jen pushed a box for a distance of 80m with 20 N of force. How much work did she do?
1,600 J
60 J
.25 J
150 J

Respuesta :

JcAlmighty JcAlmighty

27-11-2016

The answer is 1,600 J.

A work (W) can be expressed as a product of a force (F) and a distance (d):
W = F · d

We have:
W = ?
F = 20 N = 20 kg*m/s²
d = 80 m
_____
W = 20 kg*m/s² * 80 m
W = 20 * 80 kg*m/s² * m
W = 1600 kg*m²/s²
W = 1600 J

Answer Link

Otras preguntas

Rights that cannot be taken away

8=p/8 one steo equations

what information might appear on both a physical and political map

According to the lesson, how did the settlers in the West send their produce back to the East before the canals were built?

Which of these lines provides exposition for a story? Josie and Karen finally came to a compromise about who to invite to the party. Samantha watched the movi

A firm has net income of $4,238 and interest expense of $898. the tax rate is 35 percent. what is the firm's times interest earned ratio?

Rewrite the following quadratic function in vertex form. Then, determine if it has a maximum or minimum and say what that value is. y = -x^2 + 6x + 5

Given that ∠A≅∠B , Gavin conjectured that ∠A and ∠B are complementary angles. Which statement is a counterexample to Gavin 's conjecture? m∠A=10° and m∠B=15°

Premier Bank is planning to have a new building constructed. They would like the length of the building to be 40 feet longer than its width. To fit their needs,

If 1200 we surveyed, how many of them were below the age of 18? Show work please I wanna understand how to get the answer