Author Question: A 60.0-kg man stands at one end of a 20.0-kg uniform 10.0-m long board. How far from the man is the ... (Read 44 times)

Beheh

  • Hero Member
  • *****
  • Posts: 520
A 60.0-kg man stands at one end of a 20.0-kg uniform 10.0-m long board. How far from the man is the center of mass (or center of gravity) of the man-board system?
 
  A) 1.25 m
  B) 2.50 m
  C) 5.00 m
  D) 7.50 m
  E) 9.00 m

Question 2

An object has a volume of 4.0 m3 and weighs 40,000 N. What will its apparent weight be in water of density 1000 kg/m3?
 
  A) 40,000 N
  B) 39,200 N
  C) 9,800 N
  D) 800 N


Brummell1998

  • Sr. Member
  • ****
  • Posts: 324
Answer to Question 1

A

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

For a complete list of videos, visit our video library