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

Author Question: A 4.0-kg aluminum block is originally at 10C. If 160 kJ of heat is added to the block, what is its ... (Read 103 times)

dejastew

  • Hero Member
  • *****
  • Posts: 562
on: Jul 29, 2018
A 4.0-kg aluminum block is originally at 10C. If 160 kJ of heat is added to the block, what is its final temperature? The specific heat capacity of aluminum is 910 J/kg  K.
 
  A) 24C
  B) 34C
  C) 44C
  D) 54C

Question 2

An object is placed near a concave mirror having a radius of curvature of magnitude 60 cm. How far should you place the object from the mirror so that the lateral magnification produced by the mirror will be +2.5?
 
  A) 18 cm
  B) 24 cm
  C) 30 cm
  D) 36 cm
  E) 42 cm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xMRAZ

  • Sr. Member
  • ****
  • Posts: 363
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

A


dejastew

  • Member
  • Posts: 562
Reply 2 on: Jul 29, 2018
Wow, this really help

blakcmamba

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Arctic and alpine cushion plant form and orientation increases heat gain from sunlight and the surro Arctic and alpine cushion plant form and orientation increases heat gain from sunlight and the surro
In the heat of the Battle of Lake Erie, Perry had to abandon his flagship, the Lawrence, which had b In the heat of the Battle of Lake Erie, Perry had to abandon his flagship, the Lawrence, which had b
Examples of four letter formats: (A) block style, (B) modified block style, (C) modified block style ... Examples of four letter formats: (A) block style, (B) modified block style, (C) modified block style ...
Stronger threads are created by cold rolling a heat-treated bolt blank instead of cutting the ... Stronger threads are created by cold rolling a heat-treated bolt blank instead of cutting the ...
Masseuse Performs Massage of the Shoulder Under Heat Lamp, c. 1925. Masseuse Performs Massage of the Shoulder Under Heat Lamp, c. 1925.
The Many Sizes of Soft Drinks A bottle or can of soda can provide from 6 to 17 teaspoons of added The Many Sizes of Soft Drinks A bottle or can of soda can provide from 6 to 17 teaspoons of added
Video: DNA Replication

For a complete list of videos, visit our video library