What is the magnitude of the displacement of a car that travels half a lap along a circle that has a radius of 150 m? How about when the car travels a full lap?
Answer to relevant QuestionsA race car travels a complete lap on a circular track of radius 500 m in 50 s. (a) The average velocity of the race car is (1) zero, (2) 100 m/s, (3) 200 m/s, (4) none of the preceding. Why? (b) What is the average speed ...In demonstrating a dance step, a person moves in one dimension, as shown in Fig. 2.21. What are (a) The average speed and (b) The average velocity for each phase of the motion? (c) What are the instantaneous velocities at ...A regional airline flight consists of two legs with an intermediate stop. The airplane flies 400 km due north from airport A to airport B. From there, it flies 300 km due east to its final destination at airport C. (a) What ...An Olympic sprinter can run 100 yd in 9.0 s. At the same rate, how long would it take the sprinter to run 100 m? A car accelerates from rest at a constant rate of 2.0 m/s2 for 5.0 s. (a) What is the speed of the car at the end of that time? (b) How far does the car travel in this time?
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