hit the ground exactly. 3. When counting the dots we could have missed counted the dots because they were small and faint. Conclusion: The acceleration of the 50 g rate weight was .10 greater than the weight of the 100 g weight; however‚ this is attributed to our sources of error. Therefore‚ we concluded that mass does not affect the acceleration due to
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Calculate the velocity of the object after 3 seconds and before it hits the ground. What can be the height it is thrown? 6. Calculate the velocity of the car which has initial velocity 24m/s and acceleration 3m/s² after 15 second. 7. The car which is initially at rest has an acceleration 7m/s² and travels 20 seconds. Find the distance it covers during this period. 8. An airplane accelerates down a runway at 3.20 m/s2 for 32.8 s until is finally lifts off the ground. Determine the
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the Student Formula Competition Acceleration Event Chantharasenawong C*. and Promoppatum P. Department of Mechanical Engineering‚ King Mongkut’s University of Technology Thonburi *corresponding author: chawin.cha@kmutt.ac.th ABSTRACT This article aims to quantitatively investigate the advantages gained when racecars are deliberately positioned far from the starting line in the Acceleration Event of the TSAE Student Formula competition. A racecar acceleration model‚ verified with an actual
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Determine the acceleration in a quick sprint. Question What would the participant’s acceleration be if he/she sprints forward in a positive direction? Hypothesis/Prediction When a person sprints forward‚ it means he/she speeds up. Consequently‚ the acceleration should be positive. When the velocity accelerates at a constant rate‚ the acceleration should remain constant. Therefore‚ if the participant is moving toward a positive direction and the speed increases‚ then the acceleration should be positive
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Law applied to the smaller mass‚ M1‚ implies (see Figure 2b): FNET(on M1) = M1a T– M1g = M1a (2) The tension T can be eliminated from equations (1) and (2) obtain: M2g – M1g = M2a + M1a (3) The magnitude of the acceleration‚ a‚ of the system is then: (4) The numerator‚ (M2 – M1)g‚ is the net force causing the system to accelerate. The denominator‚ (M2 + M1)‚ is the total mass being accelerated. Equation (4) can be written: (5) Where FNET
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1 1 2 3 C Motion I 7 (a) From 1 January 2009 to 10 January 2009‚ the watch runs slower than the actual time by 9 minutes. Therefore‚ when the actual time is 2:00 pm on 10 January 2009‚ the time shown on the watch should be 1:51 pm on 10 January 2009. Practice 1.1 (p. 6) D (a) Possible percentage error 10 −6 = × 100% 24 × 3600 = 1.16 × 10 % 1 (b) = 1 000 000 days 10 −6 –9 It would take 1 000 000 days to be in error by 1 s. (b) Percentage error 9 = × 100% 9 × 24 × 60 = 6.94 × 10–2%
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Chapter 4 Problems 1‚ 2‚ 3 = straightforward‚ intermediate‚ challenging Section 4.1 The Position‚ Velocity‚ and Acceleration Vectors 1. A motorist drives south at 20.0 m/s for 3.00 min‚ then turns west and travels at 25.0 m/s for 2.00 min‚ and finally travels northwest at 30.0 m/s for 1.00 min. For this 6.00-min trip‚ find (a) the total vector displacement‚ (b) the average speed‚ and (c) the average velocity. Let the positive x axis point east. 2. A golf ball is hit off a tee at the
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PATTS COLLEGE OF AERONAUTICS ESCI 322 DYNAMICS OF RIGID BODIES Different types of speed And velocity Engr. Jabes A. Isoli_____ Instructor * Linear Speed – The time rate of motion of a point along its path‚ or the rate at w/c a point is “approaching” or receding form another point in its path. The 100 meter dash ends at the end of the straight-away. * Angular speed – The time rate of turning of a body about axis. Or the
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Ball Drop Lab 2 Name Date Objective to determine the acceleration of gravity for falling objects to prove that this acceleration is the same for all objects regardless of their mass Apparatus objects to drop‚ stopwatch‚ meter stick‚ Pasco motion sensor Procedure Each group will get 1 object record the balls mass Using a meter stick measure a height (distance) that you are going to drop your ball. Making sure that your initial velocity of the ball is 0 m/s‚ drop the ball and measure (using
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Motion NCERT Chapter Questions and Answers and other Q & A Q1: An object has moved through a distance. Can it have zero displacement? If yes‚ support your answer with an example. Answer: Yes an object can have zero displacement even though it has moved through a distance. It happens when the object moves back to its original position i.e. final position coincides with the starting position. Example: Suppose an object travels from O to C and then comes back to original position O. Total
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