Question answers 2-4 Background:Kinematics is the study of motion. Kinetics is the study of what causes motion. If themotion has a constant acceleration, then some useful mathematical relationships can bederiyed:Constant Acceleration EquationsVf = vị + at1Ax = v;t += at?Definition of WorkW = FAxDefinition of Kinetic Energy1KE =-mv²= vý + 2aAx2Newton's Second LawWork-Kinetic Energy TheoremW= ΔΚΕF = maObjective:Get acquainted with the constant acceleration equations, Newton's 2nd Law of motion, andWork and Energy. Learn to apply these equations to solve problems in 1-D.Procedure:Perform the indicated calculations. Use a coordinate system always; use a Free BodyDiagram (FBD) when necessary.1. A ball is thrown straight into the air with an initial velocity of 28 m/s. A) How high doesthe ball get? B) How long does it take for the ball to get to its maximum height?2. A ball is dropped from a height of 20 m above the ground. A) How much time does ittake to reach the ground? B) What is the velocity of the ball right before it hits theground?3. A 15 kg block is pushed from rest across the floor with a force of 51 N. A) What is theacceleration of the block? B) After traveling 12 m, what is the velocity of the block?4. Calculate the work done on the block in Problem 3 using two methods:a. Definition of Work.b. Work- Kinetic Energy Theorem.

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Description: Question answers 2-4 Background:Kinematics is the study of motion. Kinetics is the study of what causes motion. If themotion has a constant acceleration, then some useful mathematical relationships can bederiyed:Constant Acceleration EquationsVf = vị

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2. A ball is dropped from a height of 20 m above the ground. A) How much time does it take to reach the ground? B) What is the velocity of the ball right before it hits the ground?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter7: Work And Kinetic Energy

Section: Chapter Questions

Problem 63P: A small object is placed at the top of an incline that is essentially frictionless. The object...

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