You are standing on one side of a river and a tree is directly across from you. You then walk a distance d along the river and determine that now the tree is at an angle θ. How wide is the river? A plane travels north at speed v0 for a time t0 and then travels east at 1

You are standing on one side of a river and a tree is directly across from you. You then walk a distance d along the river and determine that now the tree is at an angle θ. How wide is the river? A plane travels north at speed v0 for a time t0 and then travels east at 1

University Physics Volume 1

18th Edition

ISBN:9781938168277

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

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

Chapter2: Vectors

Section: Chapter Questions

Problem 51P: In an attempt to escape a desert island, a castaway builds a raft and sets out to sea. The wind...

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Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.

Question

(a) You are standing on one side of a river and a tree is directly across from you. You then walk a
distance d along the river and determine that now the tree is at an angle θ. How wide is the river?
A plane travels north at speed v0 for a time t0 and then travels east at 1
2
v0 for a time 3t0. (b) How far
to the north did the plane travel? How far to the east? (c) What is the total distance the plane is away
from its initial position?

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Step 1: Tree is directly across the person. Person walk a distance d

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Step 2: Determining width of river using trigonometry property

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