40 m s 70 m FIGURE 2 3. FIGURE 2 shows a stone is thrown horizontally with initial velocity 40 m s-1 from top of 70 m high building. (i) Sketch the path traversed by the stone to the ground and indicate the velocity compone and resultant velocity of the stone 15 m from the ground. (ii) Calculate the resultant velocity of the stone 15 m from the ground. [Answ v= 51.73 ms] (iv) Calculate the time of flight. [Answer: 1= 3.78 s]
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.
![40 m s
70 m
FIGURE 2
3. FIGURE 2 shows a stone is thrown horizontally with initial velocity 40 ms-1 from the
top of 70 m high building.
(i) Sketch the path traversed by the stone to the ground and indicate the velocity components
and resultant velocity of the stone 15 m from the ground.
(ii) Calculate the resultant velocity of the stone 15 m from the ground. [Answer:
v= 51.73 m s]
(iv) Calculate the time of flight. [Answer: t = 3.78 s ]
(v) Calculate the range. [Answer: R=151.2 m]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe9ae79ea-5449-4aca-838b-4982c8c5d619%2F345f4576-d3cb-41f9-8865-71bd1ee360fe%2Fq53h4jh_processed.jpeg&w=3840&q=75)
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