Solve the following problems completely:1. An athlete jogs north 5.0 km at 4.0 km/hand then west 12 km at 8.0 km/hr. Determine:a) the total distance of the entire tripb) the total displacement of the entire tripc) the average speed of the entire tripd) the average velocity of the entire tripe) the average acceleration of the entire trip2. A swimmer heads directly across a riverswimming at 1.8 m/s relative to still water.She arrives at a point 65 m downstream fromthe point directly across the river, which is 50m wide. Determine:a) the speed of the currentb) the magnitude of the swimmer's resultantvelocityc) the direction of the swimmer's resultantvelocityd) the time it takes the swimmer to cross theriver

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1. An athlete jogs north 5.0 km at 4.0 km/h and then west 12 km at 8.0 km/hr. Determine: a) the total distance of the entire trip b) the total displacement of the entire trip c) the average speed of the entire trip

1. An athlete jogs north 5.0 km at 4.0 km/h and then west 12 km at 8.0 km/hr. Determine: a) the total distance of the entire trip b) the total displacement of the entire trip c) the average speed of the entire trip

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 16P: Draw motion diagrams for (a) an object moving to the right at constant speed, (b) an object moving...

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Question

Solve the following problems completely:
1. An athlete jogs north 5.0 km at 4.0 km/h
and then west 12 km at 8.0 km/hr. Determine:
a) the total distance of the entire trip
b) the total displacement of the entire trip
c) the average speed of the entire trip
d) the average velocity of the entire trip
e) the average acceleration of the entire trip
2. A swimmer heads directly across a river
swimming at 1.8 m/s relative to still water.
She arrives at a point 65 m downstream from
the point directly across the river, which is 50
m wide. Determine:
a) the speed of the current
b) the magnitude of the swimmer's resultant
velocity
c) the direction of the swimmer's resultant
velocity
d) the time it takes the swimmer to cross the
river

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