. . . . . . . . . . 1.1.1 1.1.2 1.1.3 Minimum Time for a Vehicle to go from 0 to 60 mph. Minimum Stopping Distance . . . . . . . . . . . . . . Flight of the Bumblebee . . . . . . . . . . . . . . . . . 5 7 7 7 8 8 11 2 Bouncing Ball 3 Maximum Velocity in a Quarter Mile 1 4 Rolling Up A Ramp 4.1 4.2 Maximum Height of Ball . . . . . . . . . . . . . . . . . . . . . Hoop‚ Disk‚ Cylinder and Sphere . . . . . . . . . . . . . . . . 11 11 13 14 15 17 18 18 19 20 22 24 24 26 27 28 28 30 5 Height
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Stopping Distance and Reaction Time 20 m s -1 A B O positive direction 40 m The driver in the car B sees the man A 40 m away at time t = 0. The velocity of the car changes according to the graph below. V / m s-1 40 30 20 10 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 t/s V / m s-1 40 30 20 10 0 0.5 1.0 1.5 2.0 2.5 3.0 Will the car B collide with the man A ? 3.5 4.0 4.5 5.0 5.5 t/s
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slowing down‚speeding up‚ and turning provide a sufficient vocabulary for describing the motion of objects. In physics‚ we use these words and many more. We will be expanding upon this vocabulary list with words such as distance‚ displacement‚speed‚ velocity‚ and acceleration. As we will soon see‚ these words are associated with mathematical quantities that have strict definitions. The mathematical quantities that are used to describe the motion of objects can be divided into two categories. The quantity
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physics 5/23/13 Constant motion Fill in the Blank (constant velocity) 1)Neither( ) nor ( ) of motion changes 2)y7ui8z Vocabulary Matching 3) A)how fast something moves; an expression of how much time it takes for a change in position to occur; rate of motion; rate of change of position( ) B)The speed of an object in a particular direction; ratio of change in position to time interval over which change takes place.( ) C)quantity having
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production and reaction velocity increased with increasing catalase concentration‚ however‚ the 33% percent catalase concentration showed a drop of 0.175 mL O2/s compared to the 25% catalase concentration (figure 1.2). The velocity of 25% catalase was 0.275 mL/s‚ 33% was 0.1 mL/s‚ 50% was 0.435 mL/s‚ and 75% catalase was 0.575 mL/s (figure 1.1). The 50% catalase concentration produced the most O2 overall however the 75% catalase concentration had the fastest initial reaction velocity. Experiment III:
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Motions Go to http://phet.colorado.edu/simulations/sims.php?sim=Ladybug_Motion_2D and click on Run Now. Directions: 1. A Labybug was crawling in a circle around a flower like in the picture below. a. Sketch what you think the velocity and acceleration vectors would look like. b. If the flower is the “zero” position‚ what would the position vector look like? c. Use Ladybug Motion 2D to check your ideas. Make corrections if necessary 2. Suppose the bug
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Variables used in this lab were “x” for position of the object‚ “v” for velocity of the object‚ and “a” for acceleration of the object. Understanding the graphical representation of motion was important in helping students understand how position‚ velocity‚ and acceleration are affected with a moving object over a certain period of time. Using a motion detector and an Xplorer GLX‚ a calculator that graphed our distance velocity‚ and acceleration‚ students were able to create graphs for the information
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Investigating downstream changes on the Afon Caerfanell INTRODUCTION AIM: To investigate how selected parameters change downstream on the Afon Caerfanell. Hypothesis: 1. The velocity of Afon Caerfanell increases downstream 2. The velocity of the river increases down the stream as the angle of the slope increases. RIVER DEFINITION A river is the natural course of the water‚ which goes from a higher point‚ to the lowest point
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the end of this two-experiment laboratory‚ students ideally will know how to analyze displacement‚ velocity‚ and acceleration in terms of time for objects in motion with a constant acceleration in a straight line. In addition‚ students will master how to calculate the slope of a displacement-time graph to determine the velocity of an object in motion at a constant velocity and the slope of a velocity-time graph to determine the acceleration of an object. Materials In experiment 1‚ students prepare
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------------------------------------------------- Velocity Velocity is defined as a measure of the distance an object travels in a stated direction in a given length of time. Thus velocity is speed in a stated direction. Velocity is referred to as a vector quantity because it possesses both size and direction‚ the size being speed. Where speed only tells us how fast or slow an object is moving it gives no reference of direction velocity is used as a more complete measure as it not only gives
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