EleanorLangon EleanorLangon
  • 01-09-2014
  • Physics
contestada

A box is lowered using a rope. If the acceleration of the box, is 2.5 m/s2 (downward) and the tension in the rope is 31 N, what is the mass of the box (in kg)?

Respuesta :

y7gm7g y7gm7g
  • 01-09-2014
F= ma
31-mg = m(-2.5m/s2)
31= mg-2.5 m
31 = m*(9.8m/s2 -2.5 m/s2)
31 = 7.3 m
m = 31/7.3
m = 4.25 kg
Answer Link

Otras preguntas

The volume of a crate with length of x feet, width of 8 - x feet, and a height of x - 3 feet is given by V(x)=x(8−x)(x−3) find the maximum volume of the crate a
3(3x - 12) - 24 !!?!???
Please help I’m lost!!
Help will give Brainly points
use the area of a rectangle and the Distributive Property to find each product. 9 X 34
How is everybody's day going so far? · · ω
3. You are buying a some land to build a house. You want to make sure the land is not too steep to build on. What map should you use? Why?
The KGB was a law enforcement agency for the Soviet Union that sought to gather intelligence through any means necessary and silence views opposed to the contro
What is Tun right? "Fundamental rights and duties are two sides of the same coin." Clarify. ​
Please help me with this question :00