1. A boat can be rowed at Bw = 8.5 km/h in still water. BW Think & Prepare 1. In all the questions below, think about motion from the point of view of an observer on the boat and the point of view of an observer on the shore. (a) How much time is required to row 1.2 km downstream (East) in a river moving ws = 3.8 km/h relative to the shore? Time required to row 1.2 downstream = min
Displacement, Velocity and Acceleration
In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.
Linear Displacement
The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.
![1. A boat can be rowed at
Think & Prepare
1. In all the questions below, think about motion from the point of view of an observer on the boat
and the point of view of an observer on the shore.
BW
= 8.5 km/h in still water.
(a) How much time is required to row 1.2 km downstream (East) in a river moving ws = 3.8 km/h
relative to the shore?
Time required to row 1.2 downstream =
(b) How much time is required for the return trip?
Time for the return trip =
min
(c) In what direction must the boat be aimed to row straight across the river? Express the angle in
degrees measured West of North.
vws
VBW
min
0
VBS
Direction of boat =
° West of North.
(d) Suppose the river is 1.2 km wide. What is the velocity of the boat with respect to shore and how
much time is required to get to the opposite shore?
VBS
km/hr](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F464fe16a-00d5-4182-8379-61bd4b8bbe02%2Ffb16026b-7bcc-413d-be1c-08ad37cc402d%2Fg8kg91_processed.png&w=3840&q=75)
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