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

Author Question: If we use 67 W of power to heat 148 g of water, how long will it take to raise the temperature of ... (Read 85 times)

tnt_battle

  • Hero Member
  • *****
  • Posts: 556
on: Jul 29, 2018
If we use 67 W of power to heat 148 g of water, how long will it take to raise the temperature of the water from 15C to 25C? The specific heat of water is 4190 J/kgK.
 
  A) 22 s B) 5.3 s C) 114 h D) 93 s

Question 2

An open organ pipe is tuned to a given frequency. A second pipe with both ends open resonates with twice this frequency. What is the ratio of the length of the first pipe to the second pipe?
 
  A) 1
  B) 2
  C) 4
  D) .5


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

komodo7

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

A


tnt_battle

  • Member
  • Posts: 556
Reply 2 on: Jul 29, 2018
Excellent

essyface1

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Average Global Temperature Rise over the Past Century Average Global Temperature Rise over the Past Century
Large water tank, possibly a public or ritual bathing area, from Mohenjo-daro, Indus Valley ... Large water tank, possibly a public or ritual bathing area, from Mohenjo-daro, Indus Valley ...
Measuring Temperature Using a Temporal Artery Thermometer Measuring Temperature Using a Temporal Artery Thermometer
Using an ice bath to test the fuel temperature sensor. Using an ice bath to test the fuel temperature sensor.
Perform the indicated division (long division polynomials) Perform the indicated division (long division polynomials)
The Internal Anatomy of a Long Bone The Internal Anatomy of a Long Bone
Video: Atrophy

For a complete list of videos, visit our video library