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

Author Question: Two blocks, joined by a string, have masses of 3.0 and 4.0 kg. They rest on a frictionless ... (Read 91 times)

kwoodring

  • Hero Member
  • *****
  • Posts: 560
on: Jul 28, 2018
Two blocks, joined by a string, have masses of 3.0 and 4.0 kg. They rest on a frictionless horizontal surface. A second string, attached only to the 4.0-kg block, has horizontal force = 40 N applied to it. Both blocks accelerate. Find the tension in the string between the blocks.
 a. 23 N
  b. 5.7 N
  c. 17 N
  d. 93 N
  e. 120 N

Question 2

A box slides up an incline with an angle of elevation . When the box reaches its maximum distance up the incline it stops and does not slide down the incline due to friction. What is the minimum value of the coefficient of static friction for this to occur?
 a. s = tan b. s = sin
  c. s = cos d. s = 1


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

underwood14

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

a


kwoodring

  • Member
  • Posts: 560
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

kilada

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Continental Polar (cP) and Continental Arctic (cA) Air Masses Continental Polar (cP) and Continental Arctic (cA) Air Masses
Allow tissues to rest after myofascial applications. Allow tissues to rest after myofascial applications.
The cradle. Rest your hands on the table, supporting the recipient’s head in your palms. Your ... The cradle. Rest your hands on the table, supporting the recipient’s head in your palms. Your ...
Air masses interact to produce weather Air masses interact to produce weather
In the figure, a 10.0-m long bar is attached by a frictionless hinge to a wall and held ... In the figure, a 10.0-m long bar is attached by a frictionless hinge to a wall and held ...
A soccer ball is released from rest at the top of a grassy incline. After 8.6 seconds, the ball ... A soccer ball is released from rest at the top of a grassy incline. After 8.6 seconds, the ball ...
Video: ATPase function - membrane transport, contractile proteins and synthesis

For a complete list of videos, visit our video library