A cheetah sees a gazelle running at a constant speed of 12.4 m/s. The gazelle is 15 m ahead of the cheetah. The cheetah starts from rest to chase (with constant acceleration) the gazelle. After 4.2 s the cheetah catches the gazelle. a.)Determine the distance that cheetah traveled before it catches the gazelle. b.) What is the acceleration of the cheetah? c.) What is the cheetah's speed when it catches the gazelle?
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 cheetah sees a gazelle running at a constant speed of 12.4 m/s. The gazelle is 15 m ahead of the cheetah. The cheetah starts from rest to chase (with constant acceleration) the gazelle. After 4.2 s the cheetah catches the gazelle.
a.)Determine the distance that cheetah traveled before it catches the gazelle.
b.) What is the acceleration of the cheetah?
c.) What is the cheetah's speed when it catches the gazelle?
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