A spaceship ferrying workers to Moon Base I takes a straight-line path from the earth to the moon, a distance of 384000 km. Suppose it accelerates at an acceleration 20.0 m/s2 for the first time interval 15 min of the trip, then travels at constant speed until the last time interval 15 min , when it accelerates at 20.0 m/s2 , just coming to rest as it reaches the moon. What is the maximum speed attained? What fraction of the total distance is traveled at constant speed? What total time is required for the trip?
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.
A spaceship ferrying workers to Moon Base I takes a straight-line path from the earth to the moon, a distance of 384000 km. Suppose it accelerates at an acceleration 20.0 m/s2 for the first time interval 15 min of the trip, then travels at constant speed until the last time interval 15 min , when it accelerates at 20.0 m/s2 , just coming to rest as it reaches the moon. What is the maximum speed attained? What fraction of the total distance is traveled at constant speed? What total time is required for the trip?
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