can you please give me the solution for 1.8, thanks 5号cord tension is (a) 25 N, (b) 15 N, (c) 35 N?1.4 For a ballistics study, a 1.9 gm bulletis fired into soft wood. The bullet strikes thewood surface with a velocity of 380 m/s andpenetrates 0.15 m. Find (a) the constantretarding force, N, (b) the time required tostop the bullet, (c) the deceleration, m/s'.1.5 Assume 50 kg of mass are placed onthe pan of a spring balance located on afreight elevator; local gravity acceleration is9.70 m/s?. (a) When the élevator is movingwith an upward acceleration of 2.5 m/s,Bupthe voltage E generated in the circuitrelated to the temperature ( asvens,E = (a + bt).%3DFurther, for this thermocouple, when e is, inmillivolts, the two constants are a = 0.25,b = -5.5 × 10. (a) What are the nits ofa, b? (b) Determine the value of e for each%3DKjuoO the%3Dof the measuredtemperatures -100°C,100°C, 200°C, 300°C, 400°C, and plot anAns. (b) e = 19.5 mV for 100°C.For the thermocouple in problem1.11, find the rate of change of e per °C at eachof the temperatures shown -100 to 400°C.Ans. 0.14 mV/°C for 100°C.1.13 If a pump discharges 284 l pm ofwater whose density is 985 kg/m', find (a)the mass flow rate, kg/min, and (b) the totalrequired to fill a vertical cylindrical tank%3Dwhat will the balance read? (b) If the ele-vator is stopped, what will the balance read?(c) If the supporting cable breaks (elevatorfalls freely), what will the balance read? (d) Ifthe balance reads 350 N, what are the cir-1.12ion.cumstances?1.6 A 30-m vertical column of fluidd an(density 1878 kg/m') is located where g9.65 mps*. Find the pressure at the base ofthe columntime%3D3.05 m in diameter and 3.05 m high.Ans.543.7 kPa.1.7 Two liquids of differen! densities(62 = 1500 kg/m',poured together into a 100-e tank, filling it.If the resulting density of the mixture is800 kg/m', find the respective amounts ofliquids used. Also, find the weight of themixture; local g = 9.675 m/s².ENGLISH UNITSPz = 500 kg/m')are%3D1.14 A system has a mass of 30 lb. Whattotal force is necessary to accelerate it 15 fpsif (a) it is moving on a horizontal frictionlessplane or (b) it is moving vertically upward ata point where g1.15 How far from the earth must a bodyver,etly3;31.50-fps?%3D%3DAns, m, = 45 kg.%3Dbe along a line toward the sun so, that thegravitational pull of the sun balances that ofthe earth? Earth to sun distance is 9.3 x1.8 Compute the gravitational forcebetween a proton (m = 1.66 × 10¯2" kg) andan electron (m = 9.11 × 103 kg) in anatom whose radius of electron orbit is 5.29 x10-" m. Report answers in units of N anddynes.1.9 If two thermometers, one reading °Cand the other K, are inserted in the samesystem, under what circumstance will theyboth have the same numerical reading? Whatwill be the system's temperature when theabsolute thermometer reads twice the nu-merical reading of the Celsius thermometer?1.10 Calculate the magnitude of thegravity acceleration on the surface of themoon and again at a point 1000 km abovethe surface of the moon; ignore the gravityeffects of the earth. The moon has a meanthe%3D-31%3D10' mi; mass of sun is 3.24 x 10 × mass ofearth.Ans 1.63 x 10' mi from earth.-111.16 A cylindrical drum (2-ft diameter,3-ft height) is filled with a fluid whose densityis 40 lb,m/ft'. Determine (a) the total volumeof fluid, (b) the total mass of fluid in lbm,slugs, kg, (c) the specific volume of the fluid,(d) its specific weight where(e) Specify which of the foregoing propertiesare extensive and which intensive.1.17 Given the barometric pressure of31.90 fps?.|3D14.7 psia (29.92 in. Hg abs), makeconversions: (a) 80 psig to psia and to atm,(b) 20 in. Hg vac to in. Hg abs and to psia, (c)psia to psi vac and to Paa, (d) 15 in. Hggage to psia, to torrs and to Paa.1.18 (a) Define a new temperature scale,say °N, in which the boiling and freezingtheseonepuenitsradius of 1740 km and a mass of 7.4 X1.63 m/s.papupAns. (surface)g%3D1.11 For a particular thermocouple, if oneJunction is maintained at 0°C (cold junction) points of water are 1000°N and 100°N, re-and the other junction is used as a probe tomeasure the desired Celsius temperature 1,spectively, and correlate this scale with theFahrenheit and Celsius scales. (b) The °N-prac-the

Answered: Image /qna-images/answer/29900ca5-808e-4516-bc6a-dc978f0b3b0f.jpg

Answered: 1.8 Compute the between a proton (m =…

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...