A 65kg man runs towards a river and aims to hold on to a 3-m rope that is tied on a tree. He runs at an initial velocity of 5.5 m/s with a uniform acceleration of 35 m/s? and a running distance of 5-m before he grabs the rope. During running, he experiences an opposing horizontal air resistance of 10 N. Then, he swings over the river using the 3-m rope with a constant speed before letting go of the rope. Determine the following: (a) the velocity of the man upon grabbing the rope, (b) the time he spent during running before reaching the rope, (c) traction force during running, and (d) the tension in the rope just before letting it go. e= 45 3m 大. 5m
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.
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