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- KEY TERMS 1. physics (intro) 2. position (2.1) 3. motion 4. scalar (2.2) 5. vector 6. average speed 7. distance 8. instantaneous speed 9. average velocity 10. displacement 11. instantaneous velocity 12. acceleration (2.3) 13. average acceleration 14. acceleration due to gravity 15. free fall 16. terminal velocity 17. centripetal acceleration (2.4) 18. projectile motion (2.5) For each of the following items, fill in the number of the appropriate Key Term from the preceding list. r. _____ Displacement/travel timeKEY TERMS 1. physics (intro) 2. position (2.1) 3. motion 4. scalar (2.2) 5. vector 6. average speed 7. distance 8. instantaneous speed 9. average velocity 10. displacement 11. instantaneous velocity 12. acceleration (2.3) 13. average acceleration 14. acceleration due to gravity 15. free fall 16. terminal velocity 17. centripetal acceleration (2.4) 18. projectile motion (2.5) For each of the following items, fill in the number of the appropriate Key Term from the preceding list. b. _____ Difference between final and initial velocities divided by timeKEY TERMS 1. physics (intro) 2. position (2.1) 3. motion 4. scalar (2.2) 5. vector 6. average speed 7. distance 8. instantaneous speed 9. average velocity 10. displacement 11. instantaneous velocity 12. acceleration (2.3) 13. average acceleration 14. acceleration due to gravity 15. free fall 16. terminal velocity 17. centripetal acceleration (2.4) 18. projectile motion (2.5) For each of the following items, fill in the number of the appropriate Key Term from the preceding list. a. _____ Zero acceleration in free fall
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- A ball is kicked with a 45° angle from the ground. How long will it take the ball to return to the ground if the initial speed is 11 m/s? 3.08s 12.3s 1.59s 7.78sA stone is thrown from a hill at an angle of 60 degree to the horizontal with an initial velocity of 100 ft per sec. After hitting level ground at the base of the hill, the stone has covered a horizontal distance of 500 ft. How high is the hill?An arrow has an initial velocity of 32 m/s, 30° to the horizontal. a) Find the time it takes for the arrow to reach the ground if it is shot from an original height of 22 m. (G.R.A.S.S.) b) What is the horizontal displacement of the arrow in this amount of time? (G.R.A.S.S)
- A volleyball is thrown with an initial velocity of 30 m/s at an angle of 40 degrees above the horizontal. Find the following. 1. Total time of flight (tT) 2. Maximum height reached 3. Horizontal distance from the starting point will the volleyball attains its original level.Can you help me solve this problem please?A hot air ballon is rising into the air with a constant velocity of 4.75 m/s. The person riding in the hot air ballon drops a bag of flour when the balloon is 18.5 m from the ground. How long does it take the bag to hit the ground after it has been released?A particle travels to the right at a constant rate of 6.1 m/s. It suddenly is given a vertical acceleration of 1.8 m/s2 for 4.5 s. a. What is its direction of travel after the acceleration with respect to the horizontal? Answer between -180 and +180. b. What is the speed at this time? Answer in units of m/s.