A girl throws a coin upwards with an initial velocity of 6 m/s from the top of a well. T depth of the well is 45 m. a) Find the maximum height the coin rise. b) How long does it take to get to maximum height? c) What is the velocity when the coin hits the bottom of the well? d) How long does it take for the coin to reach the bottom of the well from the starting point?
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 girl throws a coin upwards with an initial velocity of 6 m/s from the top of a well. The
depth of the well is 45 m.
a) Find the maximum height the coin rise.
b) How long does it take to get to maximum height?
c) What is the velocity when the coin hits the bottom of the well?
d) How long does it take for the coin to reach the bottom of the well from the
starting
point?
6 m/s
45 m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fefd92b5f-eff6-4b53-a4f8-bbc172315208%2F4c9414ea-3d4a-4728-a2e3-8b6e5992f58e%2Fska8ww_processed.jpeg&w=3840&q=75)
![Four resistances R1, R2, R3 and R4 are connected as shown in the diagram to a
voltage of 120 V.
R = 25 Q, R2 = 35 Q, R3 = 20 Q, R4 = 40 Q
%3D
%3D
%3D
i)
Calculate the total resistance and current in the circuit.
ii)
Find the current flowing through the circuit.
R1
R3
R](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fefd92b5f-eff6-4b53-a4f8-bbc172315208%2F4c9414ea-3d4a-4728-a2e3-8b6e5992f58e%2Fbive0va_processed.jpeg&w=3840&q=75)
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