Relative Velocity and Riverboat Problems On occasion objects move within a medium that is moving with respect to an observer. For example‚ an airplane usually encounters a wind - air that is moving with respect to an observer on the ground below. As another example‚ a motorboat in a river is moving amidst a river current - water that is moving with respect to an observer on dry land. In such instances as this‚ the magnitude of the velocity of the moving object (whether it be a plane or a motorboat)
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PROJECTILE MOTION PRACTICE QUESTIONS (WITH ANSWERS) * challenge questions Q1. A golfer practising on a range with an elevated tee 4.9 m above the fairway is able to strike a ball so that it leaves the club with a horizontal velocity of 20 m s–1. (Assume the acceleration due to gravity is 9.80 m s–2‚ and the effects of air resistance may be ignored unless otherwise stated.) a b c d e How long after the ball leaves the club will it land on the fairway? What horizontal distance will the ball travel
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how is time‚ t related to the inclination of the track? Explain why? Time and position of velocity are interrelated to each other and the height and gravitational pull affects the acceleration of a moving and a free falling object. 3. From the data obtained‚ how would you account the difference between the picket fence’s acceleration and the value of g? The value of the slope of a graph of average velocity versus time will be the acceleration due to gravity of the falling object.
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limitations of manures. Write any one function of the following: [3] (a) Lysosome (b) Golgi apparatus (c) Endoplasmic Reticulum (a) What is mixed cropping? (b) Write any two advantages of mixed cropping. 11. 12. 13. 14. [3] 15. The velocity time graph of a ball of mass 20 g moving along a straight line on a level ground is given below. How much force does the ground exert on the ball to bring it to rest? [3] 16. (a) A car accelerates uniformly from 18 kmh-1 to 36 kmh-1 in 5s.
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Velocity The word‚ velocity‚ originates from the Latin word‚ vēlōcitās‚ meaning swiftness or speed. Velocity is one of the basic words used in mathematics and physics and forms the basis for the more important formulae used in high level study of these subjects. According to the dictionary‚ the definition of velocity is the rate of change of position of an object. In simple words‚ velocity means the distance travelled by an object over some time divided by the time taken by the object to travel
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Background Information Terminal velocity is when a falling object reaches a constant velocity due to a balance in the forces of weight and air resistance. In this experiment‚ we dropped marbles of difference weights in 100 ml of oil to calculate their terminal velocity. Research Question How does the mass of an object effect its terminal velocity? Aim Our aim is to measure the terminal velocity‚ of marbles of different masses‚ in oil. hypothesis Objects of larger mass will take longer to reach
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motion (1-D) with constant (uniform) velocity with constant (uniform) acceleration‚ e.g. free fall motion Projectile motion (2-D) x-component (horizontal) y-component (vertical) 2 Learning Outcome: 2.1 Linear Motion (2 hour) www.kmph.matrik.edu.my At the end of this chapter‚ students should be able to: Define and distinguish between i) distance and displacement‚ ii) speed and velocity‚ iii) instantaneous velocity‚ average velocity‚ uniform velocity iv) instantaneous acceleration‚ average
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between the moment the car left the table and the moment it hit the floor? b. What was the horizontal velocity of the car when it hit the ground? 3. A hawk in level flight above the ground drops the fish it caught. If the hawk’s horizontal speed is ‚ how far ahead of the drop point will the fish land? 4. A pistol is fired horizontally toward a target away‚ but at the same height. The bullet’s velocity is . How long does it take the bullet to get to the target? How far below the target does the bullet
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Ben Snyder Constant Velocity Lab To the Left: The Position Vs. Time graph Red: Run #1 Blue: Run #2 Green: Run #3 Purpose: To find what the slope of a position vs. time graph represents. Q.1) The Slope of the second run is greater than the slope of the first run. The first piece of evidence is in the data calculations themselves. In run number 1 the calculated slope 15 m/s which is considerably less than the slope of the second run which was at a swift 0.27 m/s. Also as you can clearly see
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contains only vector quantities? A. mass‚ time B. force‚ velocity C. time‚ momentum D. acceleration‚ speed 2. An airplane heads due north with an airspeed of 75 m/s. The wind is blowing due west at 18 m/s. What is the airplane’s speed relative to the ground? A. 57 m/s B. 73 m/s C. 77 m/s D. 93 m/s 3. Two velocity vectors‚ v1 and v2 are shown. Which of the following best represents the resultant of the addition of the two velocity vectors? 4. A car travelling north at 20 m/s is later
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