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

Author Question: The figure shows a block on an inclined plane. What is the expression for the normal force ... (Read 12 times)

Haya94

  • Hero Member
  • *****
  • Posts: 558
on: Jul 28, 2018
The figure shows a block on an inclined plane.
 
  What is the expression for the normal force acting on the block?
   
  a.
  Mg
   
  b.
  Mgcos
   
  c.
  Mgsin
   
  d.
  Mgtan

Question 2

A disk of mass m moving in the positive x direction collides with a stationary disk, also of mass m. The first disk moves in a direction 1 with respect to the x axis, and the second disk moves off in a direction of 2 below the x axis, as shown in the figure.
 
  If v = 10 m/s, 1 = 30, and v1f = 8 m/s, what is v2f?
   
  a.
  6.9 m/s
   
  b.
  6.1 m/s
   
  c.
  2.0 m/s
   
  d.
  8.7 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mcni194

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

b


Haya94

  • Member
  • Posts: 558
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

T4T

  • Member
  • Posts: 348
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

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.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

The Environment Influences Gene Expression The Environment Influences Gene Expression
The anterior pituitary is sometimes called the master gland because it secretes many hormones that r The anterior pituitary is sometimes called the master gland because it secretes many hormones that r
figure 18-1 pituitary hormones figure 18-1 pituitary hormones
If the needle drops 1 or 2 inches Hg from the normal reading, one of the engine valves is burned or ... If the needle drops 1 or 2 inches Hg from the normal reading, one of the engine valves is burned or ...
Effects of septal defects: (A) normal shunt; no cyanosis; (B) increased pressure in right ventricle; ... Effects of septal defects: (A) normal shunt; no cyanosis; (B) increased pressure in right ventricle; ...
Gene Expression Control in a Fly Gene Expression Control in a Fly
Video: Genetic terms Animation

For a complete list of videos, visit our video library