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

Author Question: Suppose you hear a car approaching and its horn is heard as a 3037. Hz tone. After passing, you hear ... (Read 156 times)

s.tung

  • Hero Member
  • *****
  • Posts: 577
on: Jul 27, 2018
Suppose you hear a car approaching and its horn is heard as a 3037. Hz tone. After passing, you hear 2430. Hz.
 
  (a) What was the Mach number of the car?
  (b) What is the speed of sound if the outside temperature is 19.C?
  (c) How fast was the car moving, in meters per second?

Question 2

A 12000-N car is raised using a hydraulic lift, which consists of a U-tube with arms of unequal areas, filled with oil with a density of 800kg/m3 and capped at both ends with tight-fitting pistons.
 
  The wider arm of the U-tube has a radius of 18.0 cm and the narrower arm has a radius of 5.00 cm. The car rests on the piston on the wider arm of the U-tube. The pistons are initially at the same level. What is the force that must be applied to the smaller piston in order to lift the car after it has been raised 1.20 m? For purposes of this problem, neglect the weight of the pistons.
  A) 0.954 kN
  B) 1.88 kN
  C) 1.96 kN
  D) 3.67 kN
  E) 1.20 kN
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mfedorka

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 27, 2018
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 50% of students answer this correctly


s.tung

  • Member
  • Posts: 577
Reply 2 on: Jul 27, 2018
Wow, this really help

daiying98

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

The Moon passing in front of the Sun, from the STEREO-B spacecraft. The Moon passing in front of the Sun, from the STEREO-B spacecraft.
Write the equation in general form of the line passing through the point Write the equation in general form of the line passing through the point
Consider the production function ( ) 0.5 0.5 Y = AK L . Suppose both saving rate (s) and the ... Consider the production function ( ) 0.5 0.5 Y = AK L . Suppose both saving rate (s) and the ...
Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ... Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ...
Cherubic Hymn, Tone 7 - Znamenny Chant Cherubic Hymn, Tone 7 - Znamenny Chant
Suppose a country imports televisions. The country's supply and demand curves are shown in ... Suppose a country imports televisions. The country's supply and demand curves are shown in ...
Video: Role of the respiratory system - effect of altered ventilation rates

For a complete list of videos, visit our video library