SPH4UUnit 1: Kinematics4. A pedometer or fitness tracker (aka a Fitbit) can show you a value for how farthe wearer has walked based on the number of steps they took and the averageperson's stride length. Does this value represent displacement or distance?Why?Practice Problems5. Timothytrying to get a soccer ball into a goal that is 35 m [South] fromwhere he is standing, but the opposing players are in their way. Timothy kicksit 25m [East] to Alex who has a better line of sight of the net. If there are 2.3 sleft on the game clock, at what average velocity will the ball travel if it gets inthe net just as the horn blows?(19 m/s [W 55deg S])6. A rocket-powered sled accelerates Jet Pilot-in-training Catherine from rest to270 km/h in 12.1 s, driving due South as it accelerates. What is the averageacceleration of the sled during this time?(6.2 m/s² [S])7. A train is travelling at 23 m/s [E] when it enters a curved portion of the trackand experiences an average acceleration of 0.14 m/s² [S] for 95 s. Determinethe velocity of the trains after this acceleration.(27 m/s [W 30deg S])8. A bird travelling 3.0 m/s NW turns and heads south at the same speed.Determine its change in velocity.10.(5.5 m/s [S 23deg E])9. After completing a turn, a cyclist is travelling east at 25 km/h. If her change invelocity was 15 km/h south, determine her initial velocity.(29 km/h [E 31deg N])A go cart rounding a curve goes from an initial velocity of 60 km/h [S] to 40km/h [E]. If the curve takes 2.0 s, determine the cart's acceleration.(36km/h/s [E560N])11. A car, moving initially at 32 km/h [N], turns a corner and continues at 32km/h [W]. The turn takes 3.0 s to complete. Find a. the change in velocity (45km/h [SW]) b. the average acceleration during the turn.(15 km/h [SW])

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1: Kinematics 4. A pedometer or fitness tracker (aka a Fitbit) can show you a value for how far the wearer has walked based on the number of steps they took and the average person's stride length. Does this value represent displacement or distance? Why?

1: Kinematics 4. A pedometer or fitness tracker (aka a Fitbit) can show you a value for how far the wearer has walked based on the number of steps they took and the average person's stride length. Does this value represent displacement or distance? Why?

University Physics Volume 1

18th Edition

ISBN:9781938168277

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

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

Chapter3: Motion Along A Straight Line

Section: Chapter Questions

Problem 70P: Unreasonable results A dolphin in an aquatic show jumps straight up out of the water at a velocity...

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