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 111 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
:D TYSM

Zebsrer

  • Member
  • Posts: 284
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

The four ways in which animals exchange heat with the environment are radiation, evaporation, convec The four ways in which animals exchange heat with the environment are radiation, evaporation, convec
Block Diagram of a High Concentrate Nitric Acid System for Dual-Stage Pressure Production of Nitric Block Diagram of a High Concentrate Nitric Acid System for Dual-Stage Pressure Production of Nitric
Techniques for applying local anesthesia: (a) topical; (b) nerve block; (c) infiltration; (d) ... Techniques for applying local anesthesia: (a) topical; (b) nerve block; (c) infiltration; (d) ...
Wedge-shaped oil film developed below a moving block. Wedge-shaped oil film developed below a moving block.
Heat Transfer Mechanisms Heat Transfer Mechanisms
SSRIs block the reuptake of serotonin into nerve terminals, resulting in increased serotonin levels. SSRIs block the reuptake of serotonin into nerve terminals, resulting in increased serotonin levels.
Video: Blood Flow through the Human Heart

For a complete list of videos, visit our video library