« previous next »

Author Question: A large school district has 300 school buses. If each school bus is used 3.0 hours each day, the ... (Read 1245 times)

olgavictoria

  • Hero Member
  • *****
  • Posts: 528
on: Jul 29, 2018
A large school district has 300 school buses. If each school bus is used 3.0 hours each day, the average speed of the school buses is 15 mi/h, and the fuel economy of the buses is 10 mi/gal.
 
  How much does it cost to run these buses for 22 school days if gasoline costs 4.10 a gallon? A) 60,000
  B) 120,000
  C) 180,000
  D) 240,000

Question 2

For an LRC series circuit containing a resistance of 11.0-, a capacitance of 2.0-F, and an inductance of 24.0 H, what frequency is needed to minimize the impedance?
 
  A) 0.023 kHz
  B) 0.14 kHz
  C) 10 kHz
  D) 1.7 kHz


mochi09

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

These school-age childrean are eating a health snack These school-age childrean are eating a health snack
Large Mouse-Ear Hawkweed Large Mouse-Ear Hawkweed
The large intestine. The large intestine.
The presence of large areas of methane hydrate The presence of large areas of methane hydrate
The Globe Fishery packs shrimp that weigh more than 1.91 ounces each in packages marked large ... The Globe Fishery packs shrimp that weigh more than 1.91 ounces each in packages marked large ...
100 days in school 100 days in school
Video: Muscular System Animation

For a complete list of videos, visit our video library