Question 7, Physics - equation sheet attached Two cars are moving on a highway. Initially Car A is ahead of Car B by 1.5 km. Car A ismoving at a constant speed of 71 km/hr and Car B is moving at 82 km/hr. How long doesit take for Car B to catch up with Car A?0.87 hour0.52 hour0.23 hour0.11 hourCorrect answer is not listed.O 0.14 hour Physics 114 Equation SheetConstants and ConversionsKinematics Continuedg = 9.80 m/sFree-fall accelerationΔνInstantaneousainst. = limAt-o AtAcceleration1N = 1 kg m/s?NewtonUniform motion(v) = (v); = constantPosition in uniformX = x + (v)AtMathematics, Scaling and Vectorsb = a* + loga (b) = xmotionLogarithmConstant(v); = (v,); + azAtacceleration:1log(ab) = log(a) + log (b)x, = x, + (v,),At +a, (at)?log Ax" = n log x + log A(v,); = (v,)} + 2a,AxVolume of a sphereV =Surface area of aA = 4ar?ForcessphereNewton's second lawFnet = EF = mã%3DVolume of a cylinderV = arlNewton's second lawFnetx = EF = ma,%3DSurface area of aA = 2ar? + 2rlComponent formFnety = ER, = maycylinderMass densityp = m/VNewton's Third LawFA en =-ton AA, = A cos e (rel. to x-axis)Weightw = mgx -component of avector ÅApparent weightWapp = magnitude of supporting forcesy -component of aAy = A sin 8 (rel to x-axis)vector ÅKinetic frictionfk = HanMagnitude of vector ẢStatic frictionA = JA + A,Reynolds numberRe = pvl/nDirection of A relative8 = tan-(Ay/A,)1Drag (high Reynoldsnumber)=CopAv?to x-axisAddition of two vectors If = Å + B, thenC, = A, + B,D = 6nyrvDrag (low Reynoldsnumber)Cy = Ay + ByCircular MotionKinematicsCentripetal accelerationa =DisplacementAx = x - XAverage VelocityAxFrequency1VargT2arAtAxVinst. = limInstantaneous VelocityAt+0 AtAvAverage AccelerationdavgΔε

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Two cars are moving on a highway. Initially Car A is ahead of Car B by 1.5 km. Car A is moving at a constant speed of 71 km/hr and Car B is moving at 82 km/hr. How long does it take for Car B to catch up with Car A? 0.87 hour O 0.52 hour O 0.23 hour 0.11 hour Correct answer is not listed. O 0.14 hour

Two cars are moving on a highway. Initially Car A is ahead of Car B by 1.5 km. Car A is moving at a constant speed of 71 km/hr and Car B is moving at 82 km/hr. How long does it take for Car B to catch up with Car A? 0.87 hour O 0.52 hour O 0.23 hour 0.11 hour Correct answer is not listed. O 0.14 hour

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter6: Motion In Two Dimensions

Section: Chapter Questions

Problem 84A

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