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

select the graph of the solution set that would represent the following expression. (x-2)=5(x+1)

Jordan spills water on the pavement. He notices that water transitions from a liquid state to a vaporous state after some time. Which process is this called?

Which of the following best describes egg production in the female reproductive system? A diploid cell undergoes meiosis to produce one egg and 3 polar bodies

Let f(x)=x^2−9 and g(x)=x^2−7x+12 . What is (f/g)(x) ?

What was a factor in Pilgrim's success in their new colony?

The number of men in a tour group is 15 times the number of women. If there are 48 people in the group, how many are men? A. 45 B. 30 C. 15

Explain, briefly, what the electrical field inside a microwave oven does to heat food.

Which character is established as a parallel character to Okonkwo? A. Mr. Smith B. Okeke C. Ogbuefi D. Enoch

A marta y a mí__ las películas con Hugh Jackman. A. Le encanta B. nos encantan C. Le encantan d. Me encantan

Identity the two common size designations for tires