A car starts from rest and moves with a constant acceleration of 1.5m/s² until it achieves a velocity of 25m/s. It then travelleds with constant velocity for 60 seconds. 9. What is the average speed of the car?
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- 1.Leo traveled 25.0km from their house to a shopping mall to meet a friend .Upon reaching the mall,texted that he cannot come. Sadly,Leo went back home following the same path.(a)What was the total distance leo traveled?(b)what was his displacement?If the entire trip look Leo 0.75h,what were his (c) average speed and(d) average velocity?You walk 73.2 m at a speed of 1.22 m/s and then run 73.2 m at a speed of 3.05 m/s along a straight path. What is your average speed for this whole journey? A. 1.38 m/s B. 2.14 m/s C. 1.74 m/s D. None of the other answersA runner start from rest then speeds up at a constant acceleration for 4s while traveling 10 meters in the process. What was the runner's acceleration and final speed? O 1.25m/s*2 and 5m/s O 1.20m/s*2 and 4.5m/s O 1.15m/s 2 and 5.1m/s 1.19m/s 2 and 6m/s
- A vehicle drives at a constant speed of 215 km/h for 42.3 seconds, accelerates by 29.4m/s2 for 5.00s, and finally slows down to stop. The entire movement takes 88.6 seconds. B. Determine the maximum speed. C. Determine the total displacement. Two 9.82km separate trains travel on parallel tracks in opposite directions, one to the other. Train A has a speed of 5.87 km/h at departure and accelerates at a rate of 0.29m/s2. Train B has a speed of 20.3m/s at departure and an acceleration of 0.69m/s2. B. Determine when trains meet.1. An automobile moving along a straight track changes its velocity from 40 m/s to 80 m/s in a distance of 200 m. What is the (constant) acceleration of the vehicle during this time? a. 8.0 m/s b. 9.6 m/s с. 12 m/s d. 6.9 m/s e. 0.20 m/s 11:22 AM 5/21/2021 pe here to search hp home end pg up ins prt sc delete f12 f1o f8 f6 f5 f4 13 IDI num + backspace lock & 8 23 3 4 5 7 { 7. home T Y U E enter %24 RBob rides his bike from point A to B in 2.5hours. The next day Bob increases his average speed by 12.0 km/h and takes 22.5 minutes less time between points A to B. What we know Trip A= 150mins, Trip B=127.5min with an increased ave speed 0.2km/min 1. What was his usual average speed? 2. What was the distance travelled?
- 1. An airplane accelerates down a runway at 3.20m/s² for 32.8s until it finally lifts off the ground. Determine the distance traveled before takeoff. 2. What is the average velocity for an object if it travels 24.46m in 18.75s?18. A car starts from rest and travels in a straight line with a constant acceleration of 7.00 m/s^2. After a time of 5.00 s, which of these expressions yields how far the car traveled from its starting point in meters? a. 7.00 times 5.00 b. ½ times 7.00 times 5.00^2i. A bowling ball traveling with constant speed hits the pins at the end of a bowling lane 17 m long. The bowler hears the sound of the ball hitting the pins 3.20s after the ball is released from his hands. What is the speed of the ball? The speed of sound is 340 m/s. ii. A car slows down uniformly from a speed of 27m/s to rest in 8s. How far did it travel in that time?
- 2. An elevator moving downward at 4.0 m's experiences an upward acceleration of 2.00 m/s² for 1.80 s. What is its velocity at the end of the acceleration and how far has it traveled.2. A bus travels 400m between two stops. It starts from rest and accelerates at 1.50m/s² until it reaches a velocity of 9.00m/s. The bus continues at this velocity and then decelerates at 2m/s² until it comes to a halt. Find the total time required for the journey.2. A speeding car is traveling at a constant 30.0 m/s when it passes a stationary police car. If the police car delays its motion for 1.00 s before starting, what must the constant acceleration of the police car be to catch the speeding car after the police car travels a distance of 300. m?