Answer question 7,9,11,13,15 13.55A car was moving at a constant velocity of 40 msThe driver saw an obstacle in front and he8.Hazuri is driving aseeing a student crohis brakes to stop timmediately stepped on the brake pedal. He managedto stop the car in 8 s. The distance of the obstacle fromthe car when the driver stopped it was 180m. How farwas the obstacle from the car after it stopped? [20m]decreases uniformitravelling 150 m.(a) what is the deceare applied?(b) What is the timr0. A toy car staA car accelerates at a uniform rate from 5 ms to30 ms in 5 s. Calculate9.What is the(a) the acceleration of the car,(b) the velocity of the car after accelerating uniformlyfor the first 2 s,(c) the distance travelled by the car in 5 s.11. A particle starts from rest and moves down aninclined plane. If the body reaches a velocity of2ms in 4 s, calculate(a) the acceleration of the body,(b) the distance travelled by the particle in 4 s.12. Azmi ride2 ms fr12 ms'l.Azmi.14. A stone13. A trolley starts from rest and accelerates uniformlyover a distance of 2 m. If the final velocity afterof 20 mms amtravelling 2 m is 2 ms, what is the acceleration ofthe trolley?(a) themaxim(b) the16. An obj15. A car starts off at 2 m s and accelerates at 3 msfor 5s. What is its final velocity?with cof 25(a) Ace(b) Fir

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7. A car was moving at a constant velocity of 40 ms The driver saw an obstacle in front and he immediately stepped on the brake pedal. He managed to stop the car in 8 s. The distance of the obstacle from the car when the driver stopped it was 180m. How far was the obstacle from the car after it stopped? 120m]

7. A car was moving at a constant velocity of 40 ms The driver saw an obstacle in front and he immediately stepped on the brake pedal. He managed to stop the car in 8 s. The distance of the obstacle from the car when the driver stopped it was 180m. How far was the obstacle from the car after it stopped? 120m]

College Physics

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)...

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