Author Question: A flatbed truck is carrying a crate along a level road. The coefficient of static friction between ... (Read 27 times)

Haya94

  • Hero Member
  • *****
  • Posts: 558
A flatbed truck is carrying a crate along a level road. The coefficient of static friction between the load and the bed is 0.40. The truck accelerates forward and the crate stays in its place on the truck bed.
 
  In what direction is the force that the bed exerts on the crate? A) forward
  B) backward
  C) toward the center of the road
  D) There is no frictional force because the crate does not move with respect to the bed.
  E) There is not enough information to answer this question.

Question 2

The Schwarzchild radius is defined for a given mass M as the radius for which the escape velocity would be exactly equal to the speed of light, c. What is the expression for this radius in terms of G, M, and c?
 
  What will be an ideal response?



pallen55

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

A

Answer to Question 2

2GM/



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

For a complete list of videos, visit our video library