66. Useful background for this problem can be found in Multiple-ConceptExample 2. On a spacecraft two engines fi re for a time of 565 s. Onegives the craft an acceleration in the x direction of ax 5 5.10 m/s2, whilethe other produces an acceleration in the y direction of ay 5 7.30 m/s2.At the end of the fi ring period, the craft has velocity components ofvx 5 3775 m/s and vy 5 4816 m/s. Find the magnitude and direction ofthe initial velocity. Express the direction as an angle with respect to the1x axis.
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.
66. Useful background for this problem can be found in Multiple-Concept
Example 2. On a spacecraft two engines fi re for a time of 565 s. One
gives the craft an acceleration in the x direction of ax 5 5.10 m/s2
, while
the other produces an acceleration in the y direction of ay 5 7.30 m/s2
.
At the end of the fi ring period, the craft has velocity components of
vx 5 3775 m/s and vy 5 4816 m/s. Find the magnitude and direction of
the initial velocity. Express the direction as an angle with respect to the
1x axis.
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