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

Author Question: A block of mass M slides down a frictionless plane inclined at an angle with the horizontal. The ... (Read 175 times)

sc00by25

  • Hero Member
  • *****
  • Posts: 596
on: Jul 27, 2018
A block of mass M slides down a frictionless plane inclined at an angle  with the horizontal. The normal reaction force exerted by the plane on the block is
 
  A) Mg sin .
  B) zero, since the plane is frictionless.
  C) Mg cos .
  D) Mg.
  E) Mg tan .

Question 2

A 35 N-force toward the west is applied to an object. The object moves 20 m east during the time the force is applied. What is the change in kinetic energy of the object?
 
  A) 0.0 J
  B) 0.57 J
  C) 1.0 J
  D) -700 J
  E) 350 J


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ttt030911

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

D


sc00by25

  • Member
  • Posts: 596
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

amandalm

  • Member
  • Posts: 306
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
Heat Exchanger Block Diagram Feedforward Control Heat Exchanger Block Diagram Feedforward Control
Techniques for applying local anesthesia: (a) topical; (b) nerve block; (c) infiltration; (d) ... Techniques for applying local anesthesia: (a) topical; (b) nerve block; (c) infiltration; (d) ...
Horizontal stroking across the lower back. Horizontal stroking across the lower back.
An unknown gas occupies a volume of 1.50 L at 21 °C and 0.950 atm. If the mass i An unknown gas occupies a volume of 1.50 L at 21 °C and 0.950 atm. If the mass i
Video: Role of the respiratory system - effect of altered ventilation rates

For a complete list of videos, visit our video library