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

Author Question: A 82.0 kg painter stands on a long horizontal board 1.55 m from one end. The 15.5 kg board is 5.50 m ... (Read 133 times)

SAVANNAHHOOPER23

  • Hero Member
  • *****
  • Posts: 542
on: Jul 27, 2018
A 82.0 kg painter stands on a long horizontal board 1.55 m from one end. The 15.5 kg board is 5.50 m long. The board is supported at each end.
 
  (a) What is the total force provided by both supports?
  (b) With what force does the support, closest to the painter, push upward?

Question 2

An electron has a relativistic momentum of 1.1  10-21 kg-m/s. What fraction of its total energy is its kinetic energy?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Kaytorgator

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jul 27, 2018
Answer to Question 1

(a) 956. N
(b) 653. N

Answer to Question 2

0.75


SAVANNAHHOOPER23

  • Hero Member
  • *****
  • Posts: 542
Reply #2 on: Jul 27, 2018
TY


Kaytorgator

  • Sr. Member
  • ****
  • Posts: 345
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Greenstick Only one side of the shaft is broken, and the other is bent (like a greenstick); usually Greenstick Only one side of the shaft is broken, and the other is bent (like a greenstick); usually
A pleasant smile can go a long way, even through telephone lines. A pleasant smile can go a long way, even through telephone lines.
Long-wave energy flux is emitted from Earth Long-wave energy flux is emitted from Earth
Long division for polynomials Long division for polynomials
A horizontal, 2.00 m long, 3.00 kg uniform beam that lies along the east-west di A horizontal, 2.00 m long, 3.00 kg uniform beam that lies along the east-west di
Summer squash exhibiting various fruit-shape phenotypes, including disc, long, and sphere Summer squash exhibiting various fruit-shape phenotypes, including disc, long, and sphere
Video: Calvin Cycle Explained!

For a complete list of videos, visit our video library