Car A is heading east at 30 m/s and Car B is heading west at 22 m/s. Suddenly, as they approach each other, they see a one-way bridge ahead. They are 100 m apart when they each apply the brakes. Car A's speed decreases at 9.0 m/s each second and Car B decreases at 7.0 m/s each second.
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- Cars A and B approach each other on a straight road and meet after A has traveled 235 meters. Car A has taken an initial velocity of 25.0 m/s and decelerating at the rate of 0.400 m/s2. Car B has an initial velocity of 10.0 m/s and is accelerating at the rate of 0.500 m/s2. How far apart are the two cars initially?Two ants pass each other one is moving along the negative x axis and one is moving at 45 degrees to the x axis. Ant 1 goes 0.032 and ant 2 goes 0.070 m/s. Ant going .070 m/s begins to accelerate as soon as the two pass each other. The acceleration is .001 m/s2. How far apart will the two ants be after 2 seconds?Car A was traveling east at high speed when it collided at point O with car B , which was traveling north at 45 mi/h. Car C , which was traveling west at 60 mi/h, was 32 ft east and 10 ft north of point O at the time of the collision. Because the pavement was wet, the driver of car C could not prevent his car from sliding into the other two cars, and the three cars, stuck together, kept sliding until they hit the utility pole p. Knowing that the weights of cars A, B, and C are, respectively, 3000 lb, 2600 lb, and 2400 lb, and neglecting the forces exerted on the cars by the wet pavement, solve the problems indicated.Knowing that the coordinates of the utility pole are xp= 46 ft and yp = 59 ft, determine (a) the time elapsed from the first collision to the stop at P,(b) the speed of car A.
- Two objects files towards each other. When the distance between them is 1.2 km. their velocities and acceleration are as follows: VA = 40 m/s, VB = 15 m/s, aA = -0.5 m/s2, aB = - 1.36 m/s2. A third object left object A and moves toward object B with velocity of 50 m/s. Upon reaching B it then files back to A and so on until A and B meets. Find the time the two objects have traveled until they meet each other. b. Find the distance traveled by A when they meet each other. What is the total distance traverse by the third object?A jeepney and a train are moving together along parallel paths at 30.0 m/s, with the jeepney adjacent to the rear of the train. The jeepney driver sees the traffic light turn red, so he accelerates at -2.50 m/s2, and then let his jeepney come to rest. The jeepney is at rest for 50.0 s, and then accelerates at 2.50 m/s2 to go back to a speed of 30.0 m/s. Assuming that the speed of the train remained constant at 30.0 m/s, how far is the jeepney from the rear of the train when the jeepney reaches a speed of 30.0 m/s?Two objects A and B flies towards each other. When the distance between them is 1.2km their velocities and acceleration are as follows: vA = 40, vg = 15, a = -0.5 and ag = 1.36 A Third object 52 left object A and moves toward object B with velocity of 50m/s. Upon reaching B it then flies back to A and so on until A and B meets. What is the total distance traveled by the third object?
- Amir starts riding his bike up a 194-m-long slope at a speed of 5 m/s, decelerating at -0.2 m/s2 as he goes up. At the same instant, Becky starts down from the top at a speed of -2 m/s, accelerating at -0.45 m/s2 as she goes down. How far has Amir ridden when they pass each other?A distance of 90 meters separates two jetskis at Virginia Beach. Starting at rest, the jetskis accelerate at a constant rate of 0.7 m/s² towards each other. Starting at a midpoint between the two jetskis, a porpoise is seen swimming from one jetski to the other at a constant speed of 18 m/s. The porpoise continues swimming back and forth between the jetskis until they crash together. What is the total distance the porpoise travelled? 158.7 You are given the initial velocity Vo, acceleration a and the distance Ay. You have the speed of the porpoise, so you are looking for time. Use the equation that corresponds to these variables. meters Submit Answer Incorrect. Tries 1/2 Previous Tries Esc what is the speed of the jetskis when they crash together? m/s Submit Answer Tries 0/2 Post Discussion 39°F Wintry mix F3 F4 F5 F6 A F7 OL FB & F9 * FIO ► FII 99+ 31 F12 Ser Lk PriSc SysRa Pause Break Del Backspace ^o@d Pg Up Send Feedback Pg Dn 9:48 PM 2/12/2023 Endhits the ball and gives it a velocity of 51 m/s to the north. the ball during the 1.0 x 10-³s when it was in contact with the bat? Ans: 9.4 x 104 m/s² north 30rb Question 6. Suppose a car is traveling at + 22.5 m/s, and the driver sees a traffic light turn red. After 0.401 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 4.00 m/s². What is the stopping distance of the car, as measured from the point where the driver first notices the red light? Ans: 72.3 m 81 to mort 35 bu do add asid Hed T the instant
- Arthur and Betty start walking towards each other when they are 120 m apart. Arthur has a speed of 4.0 m/s and Betty had a speed of 2.0 m/s. Their dog Spot starts from Arthur's side at the same time and runs back and forth between them. By the time that Arthur and Betty meet, what is Spot's displacement? If Spot has a speed of 8m/s, what distance has he run in this time?52. In a marathon race Chad is out in front, running due north at a speed of 4.00 m/s. John is 95 m behind him, running due north at a speed of 4.50 m/s. How long does it take for John to pass Chad?Wellington Wildcat is rushing to get to a parade in time to be the grand marshal. He’s standing in theback of a flatbed truck while McFogg the Dog races at 25 m/s towards town. Suddenly, McFogg sees atiny maple leaf in the road 55 m ahead, and, being a proud Canadian, slams on the brakes to protect thesacred totem. Since McFogg is known to ride the brakes like a real jerk, let’s assume his reaction time tohit the breaks is essentially zero.A. Can McFogg actually stop before the truck reaches the leaf? The coefficients of friction betweenrubber tires and dry concrete are: μs = 1.00, μk = 0.80. When answering this question, be sure toinclude a free-body diagram representing the truck and its stellar mascots as a single object.B. Now here’s the real serious question: Is it possible for McFogg to stop short of the leaf such thatWellington does not slip and slide into the back of the truck cab? The coefficients of friction forWellington’s shoes on the bed of the truck are: μs = 0.60, μk =…