EBK PHYSICS FUNDAMENTALS
2nd Edition
ISBN: 9780100265493
Author: Coletta
Publisher: YUZU
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Chapter 1, Problem 2Q
To determine
The resultant displacement of the trip when a person makes a trip from home to the grocery store and then return home.
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A hiker begins a trip by walking 25 km southwest from the base camp. On the next day she walks 40km in a direction 60 degrees north of east, at which point she discovers a forest rangers' tower. Determine the magnitude and direction of the hiker's resultant displacement using the cosine and sine law.
A particle is moving along a circular path having a radius of 4 in. such that its position as a function of time is given by theta = cos 2t, where theta is in radians and t is in seconds. Determine the magnitude of the acceleration of the particle when theta = 30.
A sailor in a small boat encounters shifting winds. She sails 8 km south, then 15 km 30o E of N, and then 12 km 25o N of W. Use the polygon method to determine the magnitude and direction of her resultant displacement.
Chapter 1 Solutions
EBK PHYSICS FUNDAMENTALS
Ch. 1 - Prob. 1QCh. 1 - Prob. 2QCh. 1 - Prob. 3QCh. 1 - Prob. 4QCh. 1 - Prob. 5QCh. 1 - Prob. 6QCh. 1 - Prob. 7QCh. 1 - Prob. 8QCh. 1 - Prob. 9QCh. 1 - Prob. 10Q
Ch. 1 - Prob. 11QCh. 1 - Prob. 12QCh. 1 - Prob. 13QCh. 1 - Prob. 1PCh. 1 - Prob. 2PCh. 1 - Prob. 3PCh. 1 - Prob. 4PCh. 1 - Prob. 5PCh. 1 - Prob. 6PCh. 1 - Prob. 7PCh. 1 - Prob. 8PCh. 1 - Prob. 9PCh. 1 - Prob. 10PCh. 1 - Prob. 11PCh. 1 - Prob. 12PCh. 1 - Prob. 13PCh. 1 - Prob. 14PCh. 1 - Prob. 15PCh. 1 - Prob. 16PCh. 1 - Prob. 17PCh. 1 - Prob. 18PCh. 1 - Prob. 19PCh. 1 - Prob. 20PCh. 1 - Prob. 21PCh. 1 - Prob. 22PCh. 1 - Prob. 23PCh. 1 - Prob. 24PCh. 1 - Prob. 25PCh. 1 - Prob. 26PCh. 1 - Prob. 27PCh. 1 - Prob. 28PCh. 1 - Prob. 29PCh. 1 - Prob. 30PCh. 1 - Prob. 31PCh. 1 - Prob. 32PCh. 1 - Prob. 33PCh. 1 - Prob. 34PCh. 1 - Prob. 35PCh. 1 - Prob. 36PCh. 1 - Prob. 37PCh. 1 - Prob. 38PCh. 1 - Prob. 39PCh. 1 - Prob. 40PCh. 1 - Prob. 41PCh. 1 - Prob. 42PCh. 1 - Prob. 43PCh. 1 - Prob. 44PCh. 1 - Prob. 45PCh. 1 - Prob. 46PCh. 1 - Prob. 47PCh. 1 - Prob. 48PCh. 1 - Prob. 49PCh. 1 - Prob. 50PCh. 1 - Prob. 51PCh. 1 - Prob. 52PCh. 1 - Prob. 53PCh. 1 - Prob. 54PCh. 1 - Prob. 55PCh. 1 - Prob. 56PCh. 1 - Prob. 57P
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- After a ball rolls off the edge of a horizontal table at time t = 0, its velocity as a function of time is given by v=1.2i9.8tj where v is in meters per second and t is in seconds. The balls displacement away from the edge of the table, during the time interval of 0.380 s for which the ball is in flight, is given by r=00.3803vdt To perform the integral, you can use the calculus theorem [A+Bf(x)]dx=Adx+Bf(x)dx You can think of the units and unit vectors as constants, represented by A and B. Perform the integration to calculate the displacement of the ball from the edge of the table at 0.380 s.arrow_forwardA hiker walks 10.78 m at 18 degrees. What is the Y component of his displacement?arrow_forwardWhich of the following displacements has the highest/largest magnitude?arrow_forward
- Why is displacement usually less than distance travelled?arrow_forwardThe position of a particle as a function of time is r = (5.0t + 6.0t^2)mˆı + (7.0 - 3.0t^3)m jˆ. Find themagnitude and direction of the particle’s displacement r relative to the position r0 = (0.0ˆı + 7.0 jˆ)m att = 5.0 sarrow_forwarda particle executes three consecutive displacements of 3 meters, 4 meters, and 5 meters and returns to the initial position. how are these displacements oriented?arrow_forward
- On a day when the wind is blowing toward the south at 5 m/s , a runner logs west at 1.6 m/s.what is the magnitude of velocity of the air relative to the runnerCalculate answer to one decimal.arrow_forwardA sailor in a small sailboat encounters shifting winds. She sails 8.00 km south, then 15 km 30deg E of N, and then 12km 25deg N of W. Use polygon method to determine magnitude and direction of her resultant displacement.arrow_forwardA ball is tossed horizontally from the highest point of a 75 m building and lands 150 m from the base of the building. Ignore air resistance, and use a coordinate system whose origin is at the highest point of the building, with positive y upwards and positive x in the direction of the throw. How long is the ball in the air for, in seconds?arrow_forward
- A field biologist is studying the migration patterns of northern gannets (a type of seabird). On one particular day, she records that they fly 5.0 km northeast, then turn toward to the south of east by 30◦ and fly 4.0 km in the new direction. How far east of their original position are the birds?arrow_forwardA student drives 10 km to the north and then 20 km 30° S of E. By using the component method, what are the magnitude and direction of his displacement from the starting point?arrow_forwardWhat is the resultant displacement of a car that travels 2 km north and then turns and travels 4 km east? Be sure to include magnitude and direction.arrow_forward
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