velocity has the constant value vx = C; that is‚ x = Ct i. On the diagram above‚ indicate the directions of the particle’s velocity vector v and acceleration vector a at point R‚ and label each vector. ii. Determine the y-component of the particle’s velocity as a function of x. iii. Determine the y-component of the particle’s acceleration. b. Suppose‚ instead‚ that the particle moves along the same parabola with a velocity whose x-component is given by vx = C/(1+x²)½ i. Show
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m/s to a speed of 26.8 m/s? 2. A bowling ball with a negative initial velocity slows down as it rolls down the lane toward the pins. Is the bowling ball’s acceleration positive or negative as it rolls toward the pins? 3. Nathan accelerates his skateboard uniformly along a straight path from rest to 12.5 m/s in 2.5 s. a. What is Nathan’s acceleration? b. What is Nathan’s displacement during this time interval? c. What is Nathan’s average velocity during this time interval? 4. Critical Thinking Two cars
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GROUP PROCESS IN THE CHALLENGER LAUNCH DECISION: ANALYSIS: NASA was created with the intent to establish military culture‚ US dominance over USSR. Morton Thiokol‚ Inc.‚ an aerospace company‚ manufactured the solid propellant rocket motors manufactured the booster rockets SRB used to launch the Challenger Shuttle. Morton Thiokol called for a teleconference‚ fortnight before the launch had been scheduled to discuss the O ring problem. The Challenger launch was disaster due to various reasons:
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Ɵ = 83.72 or Ɵ = 84° | 3. A car starting from rest‚ accelerates for 15.0 min until it’s velocity is 20 m/s. It then moves at constant velocity for another 20.0 min before it slow down and finally stopped in another 10.0 min. Find (a) acceleration during the first 15 min‚ (b) the deceleration during the last 10 min of its motion‚ (c) the distance traveled during the last minute‚ and the (d) total displacement. (e) Draw the displacement versus time graph and velocity versus time graph for
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Reading Assignment #1: Vector Analysis Textbook Sections that I read: 2.1-3 Important Concepts: An interaction between two objects can be described and measured in terms of two forces. The force is a push or either a pull. There are two types of forces. #1 is a long range force and this force does not require the objects involved to be touching each other. An example of this is when you are holding a magnet away from a refrigerator and you are able to feel the magnetic pull. #2 is a contact force
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Rectilinear Motion: Position‚ Velocity & Acceleration Determination of the Motion of a Particle Sample Problem 11.2 Sample Problem 11.3 Uniform Rectilinear-Motion Uniformly Accelerated RectilinearMotion Motion of Several Particles: Relative Motion Sample Problem 11.4 Motion of Several Particles: Dependent Motion Sample Problem 11.5 Graphical Solution of RectilinearMotion Problems Other Graphical Methods Curvilinear Motion: Position‚ Velocity & Acceleration Derivatives of Vector Functions Rectangular
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1 Centripetal Acceleration Imagine a marble sitting on a rotating turntable. The different vectors representing velocity for the travelling marble are shown below. Notice that the size of the vector remains the same but the direction is constantly changing. Because the direction is changing‚ there is a ∆v and ∆v = vf - vi ‚ and since velocity is changing‚ circular motion must also be accelerated motion. vi ∆v vf -vi vf2 If the ∆t in-between initial velocity and final velocity
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REPORT Acceleration Due to Gravity Table of contents Objective 1 Equipment 1 Procedures 1 Recorded data‚ calculated results‚ and graphs 1 Discussion 3 Conclusions 3 Objective In this project we attempted to confirm that the acceleration due to gravity
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Introduction The purpose of this section is to introduce the concepts of displacement‚ velocity‚ and acceleration. For the sake of simplicity‚ we shall restrict our attention to 1-dimensional motion. Displacement Consider a body moving in 1 dimension: e.g.‚ a train traveling down a straight railroad track‚ or a truck driving down an interstate in Kansas. Suppose that we have a team of observers who continually report the location of this body to us as time progresses. To be more exact‚ our observers
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quantity that refers to "how much ground an object has covered" during its motion. * Displacement: Displacement is a vector quantity that refers to "how far out of place an object is"; it is the object’s overall change in position. * Acceleration: Change in speed per time. Distance-time Graphs: Uniform Speed: In uniform speed‚ Uniform Velocity means the object on the graph is moving equal distances in equal time. This is why the sloped line (gradient) is a straight line.
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