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

Author Question: A wooden raft has a mass of 55 kg. When empty it floats in water (density with 64 of its volume ... (Read 111 times)

gbarreiro

  • Hero Member
  • *****
  • Posts: 566
on: Jul 29, 2018
A wooden raft has a mass of 55 kg. When empty it floats in water (density with 64 of its volume submerged. What maximum mass of sand can be put on the raft without sinking it?
 
  What will be an ideal response?

Question 2

Four 2.0-C point are at the corners of a rectangle with sides of length 3.0 cm and 4.0 cm. What is the electric potential (relative to infinity) at the midpoint of the rectangle? (k = 1/40 = 9.0  109 N  m2/C2 )
 
  A) 1.3 MV
  B) 2.9 MV
  C) 3.5 MV
  D) 7.8 MV


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Dunkey

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 29, 2018
Answer to Question 1

31 kg

Answer to Question 2

B


gbarreiro

  • Member
  • Posts: 566
Reply 2 on: Jul 29, 2018
:D TYSM

nothere

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry. Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry.
Participation of water in biological reactions Participation of water in biological reactions
The Structure of an Old Low-Mass Star The Structure of an Old Low-Mass Star
Physics - Density, Pressure, and Pascal's Principle Physics - Density, Pressure, and Pascal's Principle
A 31.1-g sample of Ne gas exerts a certain pressure in a container of fixed volume. What mass ... A 31.1-g sample of Ne gas exerts a certain pressure in a container of fixed volume. What mass ...
Mass spectrometry for identifying an unknown protein isolated from a 2D gel Mass spectrometry for identifying an unknown protein isolated from a 2D gel
Video: Osmosis - Isotonic, Hypotonic, and Hypertonic​ Solutions

For a complete list of videos, visit our video library