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

Author Question: In braking an automobile, the friction between the brake drums and brake shoes converts the car's ... (Read 173 times)

Jipu 123

  • Hero Member
  • *****
  • Posts: 569
on: Aug 6, 2020

Question 1

How much water at 20°C is needed to melt 1 kilogram of solid mercury at its melting point of −39°C? (The heat of fusion of mercury is 2.8 cal/gram).


Question 2

In braking an automobile, the friction between the brake drums and brake shoes converts the car's kinetic energy into heat. If a 1 500-kg automobile traveling at 30 m/s brakes to a halt, how much does the temperature rise in each of the four 8.0-kg brake drums? (The specific heat of each iron brake drum is 448 J/kg⋅°C).
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Jipu 123 on Aug 6, 2020

nanny

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Aug 6, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 56% of students answer this correctly


Jipu 123

  • Member
  • Posts: 569
Reply 2 on: Aug 6, 2020
:D TYSM

sarah_brady415

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Friction on Slopes Friction on Slopes
Warming friction created with a sawing motion (i.e., ulnar friction). The ulnar sides of the hands ... Warming friction created with a sawing motion (i.e., ulnar friction). The ulnar sides of the hands ...
Deep circular friction around the knee with the fingertips. Deep circular friction around the knee with the fingertips.
Apply circular friction around ankles with fingertips. Apply circular friction around ankles with fingertips.
Apply circular friction with both hands to mobilize the scalp. Apply circular friction with both hands to mobilize the scalp.
Physics - Illustrate how you understand charging by rubbing or friction Physics - Illustrate how you understand charging by rubbing or friction
Video: Lipid absorption - end products & transport mechanism

For a complete list of videos, visit our video library