« 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 75 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?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Acceleration–deceleration injuries Acceleration–deceleration injuries
“Career choice” for many women means leaving their paid jobs for a number of years when they ... “Career choice” for many women means leaving their paid jobs for a number of years when they ...
The main avenue to the upward social mobility reviewed in the text has been higher education. The main avenue to the upward social mobility reviewed in the text has been higher education.
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 ...
A 40.0-kg crate is being raised by means of a rope. Its upward acceleration is 2.00 m/s2. What ... A 40.0-kg crate is being raised by means of a rope. Its upward acceleration is 2.00 m/s2. What ...
Video: Introduction to Breast Cancer

For a complete list of videos, visit our video library