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Kinematics

Hpc3 notea

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Calculus
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Chapter 3Chapter 3Falling Objects andFalling Objects andProjectile MotionProjectile Motion Gravity influences motionin a particular way. How does a droppedobject behave??Does the objectaccelerate, or is thespeed constant??Do two objectsbehave differently ifthey have:?different masses??different shapes?

Curve Ball Lab - MATH 273

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Math 273 ? Lab 1 ? F 07 Curve Balls and Vectors Does a baseball pitch really curve or is it some sort of optical illusion? Assume the pitcher's mound is at the point (60, 0, 0) and that home plate is at the origin of our coordinate system. Suppose the pitcher throws the ball toward home plate and gives it a spin of s revolutions per second about a vertical axis through the center of the ball. This spin is described by the spin vector s where s points along the axis of revolution with length s. From aerodynamics we learn that this spin causes a difference in air pressure on the sides of the ball and results in a spin acceleration on the ball given by , where c is some empirical constant and is the velocity vector. The total acceleration of the ball is then ,

Simple Harmonic Motion Answers (2)

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4.1 Simple harmonic motion 1a. [4 marks] This question is about simple harmonic motion (SHM). The graph shows the variation with time of the acceleration of an object X undergoing simple harmonic motion (SHM). Determine the maximum displacement of X. Give your answer to an appropriate number of significant figures. Markscheme use of ; or or ; } (allow answers in the range of T = 7.8 to 8.0 (s) or = 0.785 to 0.805 (rad s)) ; (allow answers in the range of 4.0 to 4.25 (m)) two significant figures in final answer whatever the value; Award [4] for a bald correct answer. Examiners report Similarly, this was well done. Most appreciated the need to truncate the final answer to a sensible number of significant digits (two in this case). 1b. [2 marks]

Simple Harmonic Motion Answers

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Physics
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4.1 Simple harmonic motion 1a. [4 marks] This question is about simple harmonic motion (SHM). The graph shows the variation with time of the acceleration of an object X undergoing simple harmonic motion (SHM). Determine the maximum displacement of X. Give your answer to an appropriate number of significant figures. Markscheme use of ; or or ; } (allow answers in the range of T = 7.8 to 8.0 (s) or = 0.785 to 0.805 (rad s)) ; (allow answers in the range of 4.0 to 4.25 (m)) two significant figures in final answer whatever the value; Award [4] for a bald correct answer. Examiners report Similarly, this was well done. Most appreciated the need to truncate the final answer to a sensible number of significant digits (two in this case). 1b. [2 marks]

Kinematics Test Review

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Name:__________________________________________ Date: _________________________ Pd: __________ Honors Physics Mr. Roberts 2D Kinematics Test Review Conceptual Questions A bullet fired from a rifle begins to fall As soon as it leaves the barrel After air resistance reduces its speed Not at all if air resistance is ignored One ball is dropped vertically from a window. At the same instant, a second ball is thrown horizontally from the same window. Which ball has the greater speed at ground level? The dropped ball The thrown ball Neither ? they both have the same speed on impact It depends on how hard the ball is thrown

kinematics

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Free fall

Name:__________________________________________ Date: _________________________ Pd: __________ Honors Physics Mr. Roberts 2D Kinematics Test Review Conceptual Questions A bullet fired from a rifle begins to fall As soon as it leaves the barrel After air resistance reduces its speed Not at all if air resistance is ignored One ball is dropped vertically from a window. At the same instant, a second ball is thrown horizontally from the same window. Which ball has the greater speed at ground level? The dropped ball The thrown ball Neither ? they both have the same speed on impact It depends on how hard the ball is thrown

German

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Name: ______________________________________ Date: ________________________ Student Exploration: Free-Fall Laboratory Vocabulary: acceleration, air resistance, free fall, terminal velocity, velocity, vacuum Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. Suppose you dropped a feather and a hammer at the same time. Which would hit the ground first? _______________________________________________________________ 2. Imagine repeating the experiment in an airless tube (vacuum). Would this change the

Physics

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Kinematics Review

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Kinematics Uniform Motion How can uniform motion be I. Any object moving at a constant velocity expressed and how can it be II. When graphed, the line of best fit represents the average speed calculated? a. y = mx + b; where ?m? is the constant (slope) and ?b? is the initial value b. velocity = displacement / time (m/s) Vectors and Scalars What is the difference betw- I. A vector is a measurement that has a direction component een a vector and a scalar? a. Velocity and displacement are vector quantities (e.g. 5 km/h [S]) II. Speed and distance are scalar quantities (e.g. 15 m away) Uniform Acceleration What is uniform acceleration I. Accelerated motion (non-uniform) occurs when an object travelling in a

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