39. Suppose you could safely explore every terrestrial world in the solar system to conduct basic physics experiments. On your return from visiting several of these worlds, you realize that you forgot to label the data for the free fall acceleration experiments you performed. The following graph shows the vertical distance fallen (m) as a function of time (s) for a rock dropped from rest on the surface of one of the terrestrial worlds you visited in the solar system. A chart is included with known free fall accelerations of various terrestrial worlds. Solar System Body Free Fall Acceleration (m/s²) Venus 8.9 Mars 3.7 Moon 1.6 Pluto 0.61 Object in Free Fall on Unknown Solar System Body 90 E 80 3 70 60 50 40 30 20 10 12 Time (s) Where were the data collected? A Venus B. Mars C. Moon D. Pluto Page 17 I 24 Q + Vertical distance rock fell (m)
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.
Suppose you could safely explore every terrestrial world in the solar system to
Where were the data collected?
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