A car travels along a straight road (in the +x direction). When the car changes speed, it does so uniformly. The position of the car as a function of time is shown in the figure below. Hint: By extrapolating the straight sections of the graph, you can estimate the time during which the speed is changing. This, with the change in speed, lets you estimate the magnitude of the acceleration. Select the appropriate choice for each statement. Options: {greater than/ less than/ equal to} 1. The magnitude of the acceleration at P is ... that at T. 2. The speed at T is ... that at R. 3. The speed at P is ... that at T. 4. The speed at N is ... that at T. 5. The x-acceleration at R is ... 0. 6. The magnitude of the acceleration at R is ... that at U.
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 car travels along a straight road (in the +x direction). When the car changes speed, it does so uniformly. The position of the car as a function of time is shown in the figure below. Hint: By extrapolating the straight sections of the graph, you can estimate the time during which the speed is changing. This, with the change in speed, lets you estimate the magnitude of the acceleration.
Select the appropriate choice for each statement.
Options: {greater than/ less than/ equal to}
1. The magnitude of the acceleration at P is ... that at T.
2. The speed at T is ... that at R.
3. The speed at P is ... that at T.
4. The speed at N is ... that at T.
5. The x-acceleration at R is ... 0.
6. The magnitude of the acceleration at R is ... that at U.
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