A car drives North as 45 km per hour for 12 minutes and then turns East and goes 6.0 km at 90 km per hour. finally it's go Southwest at 60 km per hour for 7.0 minutes. determine the displacements and average velocity for this trip. Can an ohject haveward? A westward acceleration while movingYou drop a ball from the roof while vour friend gives7. Is on a andHow is it for an to be in one but4.ball a of the rwo5. In is equations?ation thatof motion, withthe angle betwetion of the objeballs would reach the ground first?Is a its trajectory?25. An object is magoes an accelsafter 5.2 s.Ncceleration are perpendicular?accelerating in another?You're in a bus moving with constant velocity on a level road9.when you throw a baTl straisht up, When the ball returns, doesSection 3.3 Ret land ahead of you, behind you, or back at your hand? Explain.10. Which of the following are egitimate mathematical equa-tions? Explain. (a) v= si m/s: (b) -5 m/s: (c) a(d) a= dildt; (e) v= 5i m/s.26. You're pilotia wind blowspeed (i.e., irection shou27. You wish toat a steadyExercises and Problems...Exercises0.57 m/s. (it take youSection 3.1 Vectors28. A plane wjet streanperpendi11. You walk 1.57 km north, then 0.846 km east. Find (a) the magni-tude of your displacement vector and (b) its direction, expressedas an angle relative to the northward direction.12. An ion in a mass spectrometer follows a semicircular path of ra-dius 15.8 cm. What are (a) the distance it travels and (b) the mag-nitude of its displacement?13. A migrating whale follows the coast of Mexico and California. Itfirst travels 360 km northwest, then turns due north and travels an-other 410 km. Determine graphically the magnitude and directionof its displacement.stream.29. A flockis blowirelativeSection 3.30. The pVector A has magnitude 4.0 m and points to the right; vector B) = !Find thas magnitude 3.0 m and points vertically upward. Find the mag-nitude and direction of vector C such that A + B + C = 0.15. Use unit vectors to express a displacement of 150 km at 35°31. You'sorigdispcounterclockwise from the x-axis.16. Find the magnitude of the vector 3lî + 56ĵ m, and determine itsangle to the x-axis.Section17. (a) What's the magnitude of î + ĵ? (b) What angle does it makewith the x-axis?32. YoSiSection 3.2Velocity and Acceleration Vectorslo18.33. AYou're leading an international effort to save Earth from an asteroidheading toward us at 11 km/s. Your team mounts a rocket on the as-teroid and fires it for 10 min, after which the asteroid is moving at21 km/s at 24° to its original path. In a news conference, what do youreport for the magnitude of the acceleration imparted to the asteroid?19. An object's velocity vector v has components related by vy = =Vx-What are the possible values for the angle that v makes with thex-axis?a34.35.-v,20. A car drives north at 45 km/h for 12 min and then turns east and36.goes 6.0 km at 90 km/h. Finally, it goes southwest at 60 km/h for7.0 min. Determine the car's (a) displacement and (b) average ve-locity for this trip.Samsung Quad CameraShot with my Galaxy A71 30. The position ofF= (3.2t + 1.8)i + (1.7tFind the object's acceleration vector.secondSimultaneously, you drop a peach from the same height. Hfirst travels 360 km northwest, then turns due north and travels an-other 410 km. Determine graphically the magnitude and directonof its displacement.2.4tla46.14.Vector A has magnitude 4.0 m and points to the right; vector Bhas magnitude 3.0 m and points vertically upward. Find the mag-nitude and direction of vector C such that A + B + C = 0.15. Use unit vectors to express a displacement of 150 km at 35counterclockwise from the x-axis.16. Find the magnitude of the vector 31î + 56î m, and determine itsangle to the x-axis.17. (a) What's the magnitude of î + ĵ? (b) What angle does it makewith the x-axis?youdisplacement during the gust.16.32. You toss an apple horizontally at 8.1 m/s from a height osaSimultaneously, you drop along does each take to reach the ground?33. A carpenter tosses a shingle horizontally off an 8.2-m-higtat 14 m/s. (a) How long does it take the shingle to reaground? (b) How far does it move horizontally?34. An arrow fired horizontally at 35 m/s travels 23 m horiFrom what height was it fired?35. Droplets in an ink-jet printer are ejected horizontallyand travel a horizontal distance of 1.0 mm to the papdo they fall in this interval?36. Protons drop 1.1 µm over the 1.5-km length of a parator. What's their approximate average speed?37. If you can hit a golf ball 170 m on Earth, how faron the Moon? (Your answer will be an underestinneglects air resistance on Earth.)Section 3.5Projectile Motionpeach from the same heightSection 3.2 Velocity and Acceleration Vectors18.You re leading an international effort to save Earth from an asteroidheading toward us at 11 km/s. Your team mounts a rocket on the as-teroid and fires it for 10 min, after which the asteroid is moving at21 km/s at 24° to its original path. In a news conference, what do youreport for the magnitude of the acceleration imparted to the asteroid?19. An object's velocity vector v has components related by vyーVxWhat are the possible values for the angle that v makes with thex-axis?20. A car drives north at 45 km/h for 12 min and then turns east andgoes 6.0 km at 90 km/h. Finally, it goes southwest at 60 km/h for7.0 min. Determine the car's (a) displacement and (b) average ve-Samsung Quad CameraShot with my Galaxy A71

Question

Accepted Answer

Velocity of car in north direction (vy)=45 kmph
Time taken by car to reach north point (t1)=12 min…