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 126 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?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

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?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Testing the effects of long-term fertilizing on inter-actions between mycorrhizal fungi and plants o Testing the effects of long-term fertilizing on inter-actions between mycorrhizal fungi and plants o
Gross Anatomy of a Long Bone Gross Anatomy of a Long Bone
Place one hand on the medial and one on the lateral thigh to begin horizontal stroking. Slide hands ... Place one hand on the medial and one on the lateral thigh to begin horizontal stroking. Slide hands ...
Stretch shoulder in horizontal flexion by grasping at the forearm and reaching the entire arm across ... Stretch shoulder in horizontal flexion by grasping at the forearm and reaching the entire arm across ...
Types of Long-Term Memories Types of Long-Term Memories
A very thin uniform rod, 2.40 m long and of weight 135 N, has a frictionless hinge at its lower ... A very thin uniform rod, 2.40 m long and of weight 135 N, has a frictionless hinge at its lower ...
Video: Cellular slime mold life cycle Animation

For a complete list of videos, visit our video library