Given the mass of the rubber in the balloon is 140 g what
(a) Calculate the buoyant force on a 2.00 L helium balloon.
N (upward)
(b) Given the mass of the rubber in the balloon is 1.40 g, what is the net vertical force on the balloon if it is let go? You can neglect the volume of the rubber.
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A 77.0 kg man floats in fresh water with 3.00% of his volume above water when his lungs are empty, Calculate the volume of air he inhales--called his lung capacity--in liters
Write the molecular equation for the combination of KNO3 (aq) and BaCl2 (aq). Include states of matter. I wrote 2KNO3 (aq) + BaCl2 (aq) ---> 2KCl (aq) + Ba(NO3)2 (aq) but it says it is wrong.
A company is considering purchausing an impact wrench for $1000 which wich has a maximum life of 4 years. The impact wrench can be sold for $600 at the end of oneyear and this salvage value decreases by $200 per year through year 4.
In the temperature range from 40 K to 90 K, a certain amount of liquid has a temperature dependent heat capacity that is given by Cp = 18.5 J K?1 + T × 0.24 J K?2. Determine the enthalpy change resulting from heating this sample from 58.0 K
Given the mass of the rubber in the balloon is 1.40 g, what is the net vertical force on the balloon if it is let go, Calculate the buoyant force on a 2.00 L helium balloon.
A small businessman planes to start a taxi -service and purchased a new car for #36000 with borrowed money at 15% compounded annually , his net income is $12000 per year and the salvage value of the car at the end of 4 years is $5000.
Describe the effect of an organization's strategic planning on the IT systems it uses. Address how strategic planning simplifies and complicates IT system development and use. This only has to be 200 words.
A perfect gas has a constant volume molar heat capacity of CV,m = 1.5× R, and a constant pressure molar heat capacity of Cp,m = 2.5× R. For the process of heating 4.50 mol of this gas with a 12 W heater for 400 seconds, calculate
A 7.0mW laser beam has a circular cross section with diameter 0.80mm, What is the maximum radiation pressure that this laser can exert on a mirrored surface
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A 2016 survey of undergraduate students considered this further and found that compared with students that did not use cannabis at least once
Problem: An infant with known congenital heart disease presents with weight loss, tachypnea, and hepatomegaly.
For a research topic on evaluating the access to health services for commercial sex workers as a mixed method approach provide the methodology
The healthcare provider ordered a urine culture for a client. Which item would a nurse need for a urine specimen collection from an existing indwelling
The nurse practitioner (NP) evaluates a client with complaints of a burning sensation in the chest that often occurs after meals and is exacerbated
I am writing a dissertation topic on the utility of community based interventions in post exposure support to survivors of IPV in uMzingwane district
A 12-month-old child presents with fever of 100.9, lethargy, vomiting and tachypnea. The history is significant for recent hand-foot-mouth disease infection.