« previous next »

Author Question: A 40.0-kg crate is being raised by means of a rope. Its upward acceleration is 2.00 m/s2. What is ... (Read 54 times)

ghost!

  • Hero Member
  • *****
  • Posts: 560
on: Jul 29, 2018
A 40.0-kg crate is being raised by means of a rope. Its upward acceleration is 2.00 m/s2. What is the force exerted by the rope on the crate?
 
  A) 80.0 N
  B) 312 N
  C) 392 N
  D) 472 N
  E) 552 N

Question 2

An electron moving in the positive y direction, at right angles to a magnetic field, experiences a magnetic force in the negative x direction. What is the direction of the magnetic field?
 
  A) It is in the negative x direction.
  B) It is in the positive x direction.
  C) It is in the positive y direction.
  D) It is in the negative z direction.
  E) It is in the positive z direction.


GCabra

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Pronation and Supination Pronation–Lying prone (face downward); also turning the palm downward. Supi Pronation and Supination Pronation–Lying prone (face downward); also turning the palm downward. Supi
Localization of a Peptide The peptide is revealed by means of immunocytochemistry. The photomicrogra Localization of a Peptide The peptide is revealed by means of immunocytochemistry. The photomicrogra
When the service work is completed, the hoist should be raised slightly and the safety released ... When the service work is completed, the hoist should be raised slightly and the safety released ...
When the air–fuel mixture rapidly changes such as during a rapid acceleration, look for a rapid ... When the air–fuel mixture rapidly changes such as during a rapid acceleration, look for a rapid ...
Temperature Means and Ranges Temperature Means and Ranges
Traction the neck by placing the head, in neutral position facing upward, in one hand. Place the ... Traction the neck by placing the head, in neutral position facing upward, in one hand. Place the ...
Video: Photosynthesis overview Animation

For a complete list of videos, visit our video library