« 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 70 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?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Gangrene of the toes and foot as a result of an infection often means eventual amputation. Gangrene of the toes and foot as a result of an infection often means eventual amputation.
Upward social mobility, though welcome, can place people in a world so different from their world of ... Upward social mobility, though welcome, can place people in a world so different from their world of ...
An upward-sloping spark line usually indicates a mechanical engine problem or a lean air–fuel ... An upward-sloping spark line usually indicates a mechanical engine problem or a lean air–fuel ...
Apply deep effleurage to triceps. Position arm with elbow pointing upward to access the triceps ... Apply deep effleurage to triceps. Position arm with elbow pointing upward to access the triceps ...
The Means and Extremes of a Proportion The Means and Extremes of a Proportion
Pascal’s triangle of binomial coefficients (p + q) raised to the nth power Pascal’s triangle of binomial coefficients (p + q) raised to the nth power
Video: Dietary Cholesterol & LDL

For a complete list of videos, visit our video library