This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A 5.0-kg mass sits on the floor of an elevator that has a downward acceleration of 1.0 m/s2. On top ... (Read 159 times)

sam.t96

  • Hero Member
  • *****
  • Posts: 570
on: Jul 28, 2018
A 5.0-kg mass sits on the floor of an elevator that has a downward acceleration of 1.0 m/s2. On top of the 5.0-kg mass is an object of unknown mass. The force of the elevator on the 5.0-kg mass is 80 N up. Determine the unknown mass.
   
  a.
  3.3 kg
   
  b.
  2.4 kg
   
  c.
  1.6 kg
   
  d.
  4.1 kg
   
  e.
  5.0 kg

Question 2

If M = 2.2 kg, what is the tension in the connecting string? The pulley and all surfaces are frictionless.
 
   


   
  a.
  6.4 N
   
  b.
  5.9 N
   
  c.
  5.4 N
   
  d.
  6.9 N
   
  e.
  8.3 N


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

millet

  • Sr. Member
  • ****
  • Posts: 354
Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

c


sam.t96

  • Member
  • Posts: 570
Reply 2 on: Jul 28, 2018
Wow, this really help

peter

  • Member
  • Posts: 330
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

The FDA recognizes 118 routes of administration.

Post–Main-Sequence Evolution of Low-Mass Stars Post–Main-Sequence Evolution of Low-Mass Stars
Barrel-vaulted gallery, ground floor of the Colosseum, Rome. Barrel-vaulted gallery, ground floor of the Colosseum, Rome.
Air flows through the PCV valve during acceleration and when the engine is under a heavy load. Air flows through the PCV valve during acceleration and when the engine is under a heavy load.
Lab: Mass Relationships in Chemical Reaction Lab: Mass Relationships in Chemical Reaction
How many grams of tartaric acid, H2C4H4O6, (molar mass = 150.10 g) are needed to How many grams of tartaric acid, H2C4H4O6, (molar mass = 150.10 g) are needed to
A 2.10-kg hammer is transported to the Moon. The radius of the Moon is 1.74 × 106 m, its mass ... A 2.10-kg hammer is transported to the Moon. The radius of the Moon is 1.74 × 106 m, its mass ...
Video: Predator- prey competition and symbiosis

For a complete list of videos, visit our video library