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A 4.0-cm-diameter loop with resistance 0.11 ohms surrounds a 2.0-cm-diameter solenoid. The solenoid is 10 cm long, has 100 turns, and carries the current shown in the graph. A positive current is cw when seen from the left.
Determine the current in the loop at the following times.
t = 0.5s = ? uA
t = 1.5s = ? uA
t = 2.5s = ? uA
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- How many hydrogen atoms are present in 722.6 g of sucrose (CoH22O1)? (Molar mass of carbon = 12.011g/mol, molar mass of hydrogen = 1.008 g/mol, and molar mass of oxygen = 15.999 g/mol) %3D × 1025 atoms5. Iron has molar mass 55.8 g/mol. (a) Find the volume of 1 mol of iron. (b) Use the value found in (a) to de- termine the volume of one iron atom. (c) Calculate the cube root of the atomic volume, to have an esti- mate for the distance between atoms in the solid. (d) Repeat the calculations for uranium, finding its molar mass in the periodic table of the elements in Appendix C.3) Using the simplified linear approximating to the equation of state of seawater with respect to standard seawater (with average density po= 1027 kg/m3, in-situ temperature To= 10°C and salinity So= 35) given below: Pstr - Po= [-a . (T-To) + b . (S-So) + k . p] with constant coefficients a = 0.15 kg/m³ per degree Celcius: b = 0.78 kg/m per part per thousand salinity; k = 4.5 x10-3 kg/m³ per decibar calculate the in situ density (Pstp) values at the four levels measured with a CTD station with the following properties: Pstr p = 50 db, T= 27.06 °C, S = 34.992? p = 500 db, T = 6.54 °C, S = 34.271? р 3 2,500 db, Т %3D1.76 °C, S%3D 34.663? p = 4,500 db, T = 1.45 °C, S = 34.696?
- 2. Knudsen number variationA space capsule is 15.6 feet in diameter and weighs 22 metric tons at Earth sea level.(a) Calculate the Knudsen number for the capsule at Earth sea level. Assume a molarmass of 28.9 ×10−3 kg/mol, a molecular diameter of 0.36 nm, and a density of1.225 kg/m3.(b) Calculate the Knudsen number for the capsule as it is approaching the Interna-tional Space Station in low Earth orbit (LEO), 300 km above sea level during a pe-riod of extremely high solar activity. Assume a molar mass of 18.1 ×10−3kg/mol,a molecular diameter of 0.34 nm, and a density of 1.7 × 10−11 kg/m3.(c) Calculate the particle number density at LEO.At 25.0 m below the surface of the sea, where the temperature is 5.00C, a diver exhales an air bubble having a volume of 1.00 cm3. If the surface temperature of the sea is 20.0C, what is the volume of the bubble just before it breaks the surface?The pressure, P of an ideal gas, can be expressed as P = nRT/V where n is the number of moles, T is the temperature, V is the volume and R = 8.314JK^-1 mol^-1 is the ideal gas constant. a) Find the expression for deltaP in terms of deltan, deltaT and deltaV: deltaP = deltan + deltaT + deltaV b) Suppose that n = 1, V = 1m^3 and T = 300K initially. If n and V change to 9/5 and 7/10m^3 respectively, estimate the change in T(K) required to keep P constant.
- 1) Estimate the molar specific volume of Carbon monoxide in dm/mol at 277 °C and 9500 kPa.Weight of the ozone layer 1.0p 1 Incredibly, the ozone layer in the upper atmosphere that protects us from the ultraviolet rays of the Sun varies somewhat but, on the average, would be less than one centimeter thick if it were brought down to sea level. Given that the density of ozone at sea level would be about 2.0 grams per litre, what is the total amount of ozone (in Tonnes) in the upper atmosphere when its sea-level thickness is 0.22 cm? Take the radius of the Earth to be 6400 km. (The volume of a thin skin around an object is the surface area of the object times the skin thickness.) Give your answer in gigatonnes, and do not specify units in the answer box. Answer Show feedback Updated just now 41:09 S b 59) 2.18 What is the change in the viscosity and density of water be- tween 10°C and 70°C? What is the change in the viscosity and density of air between 10°C and 70°C? Assume standard atmo- spheric pressure (p = 101 kN/m² absolute).
- PHET Density X Assignme x → Topic9Wri x y! A diver st X Ⓒ File | C:/Users/marko/Downloads/Topic8WrittenPortion_6_7.pdf Netflix Party - Chro... 90°F Sunny Topic8WrittenPortion_6_7.pdf 1 2 3 Assignments M Gmail D YouTube → Maps A diver st X Netflix CA steel ba x Netflix 1 2/3 | Chegg.co X Log In | TherapyPor... | Topic8W x 100% + | A y! A child's 1 > DELL y! A child's t X A child's toy has a solid plastic disc of radius 10cm that can be rotated about its center. Child A applies a force of 30N tangent to the edge of the disc to cause it to rotate counter clockwise. Child B also applies a force of 20N tangent to the edge of the disc to cause it to counter clockwise. The net torque applied to the disc causes an angular acceleration of 8.33rad/s^2. a) What is the moment of inertia of the solid plastic disc? (answer: 0.6kgm^2) b) What is the mass of the solid plastic disc? (answer: 120kg) C The absol X + I ➡I 0 Q.1 7:23 PM 7/19/2022 x : ⠀Determine the quality x of water if P = 0.8 bar and v= 1.148 m^3/kg Select one: Oa. 0.55 Ob. 0.95 Oc.0.34 d. 0.65 e. 0.44The element neptunium has a density of 19.6 g/ml. What is the radius of a sphere of this material if it has a mass of 70kg? V=4/3pi r^3