A mountain climber stands at the top of a 57.3 m cliff hanging over a calm pool of water. The climber throws two stones vertically 1.8 s apart and observes that they cause a single splash when they hit the water. The first stone has an initial velocity of +2.2 m/s. Find the velocity of the first stone at the instant both stones hit the water. The acceleration of gravity is 9.81 m/s 2 . Answer in units of m/s. How long after the release of the first stone will the two stones hit the water? Answer in units of s. What is the initial velocity of the second stone? Answer in units of m/s. Find the velocity of the second stone at the instant both stones hit the water. Answer in units of m/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.
A mountain climber stands at the top of a
57.3 m cliff hanging over a calm pool of water.
The climber throws two stones vertically 1.8
s apart and observes that they cause a single
splash when they hit the water. The first
stone has an initial velocity of +2.2 m/s.
Find the velocity of the first stone at the
instant both stones hit the water. The acceleration of gravity is 9.81 m/s
2
.
Answer in units of m/s.
How long after the release of the first stone
will the two stones hit the water?
Answer in units of s.
What is the initial velocity of the second
stone?
Answer in units of m/s.
Find the velocity of the second stone at the
instant both stones hit the water.
Answer in units of m/s.
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