This topic contains a solution. Click here to go to the answer

Author Question: Americans combined drive about 4.0109 miles per day and their vehicles get an average of 20 miles ... (Read 23 times)

trevg

  • Full Member
  • ***
  • Posts: 160

Question 1

Iron has a density of 7.87 g/cm3.  What mass of iron would be required to cover a football playing surface of 120 yds × 60 yds to a depth of 1.0 mm? (1 inch = 2.54 cm; 1 lb = 453.6 g)

◦ 6.4 × 103 lb
◦ 6.4 × 104 lb
◦ 1.0 × 105 lb
◦ 4.7 × 107 lb
◦ 4.7 × 108 lb

Question 2

Americans combined drive about 4.0×109 miles per day and their vehicles get an average of 20 miles per gallon of fuel used.  For each 1 kg of gasoline that is burned, about 3.0 kg of CO2  are produced.  How many kilograms of CO2 are emitted into the atmosphere each day by cars in the U.S.?  One gallon of gas weighs about 3.5 kg.

◦ 2.1 × 109 kg
◦ 8.4 × 1011 kg
◦ 1.7 × 108 kg
◦ 93 kg
◦ none of these


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by trevg on Nov 5, 2023

hvhf4k+549qz8f218jyo@shar

  • Full Member
  • ***
  • Posts: 174
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 25% of students answer this correctly




trevg

  • Member
  • Posts: 160
Reply 2 on: Nov 5, 2023
:D TYSM


LegendaryAnswers

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

For a complete list of videos, visit our video library