Question

the more problems based on kinematics

Answer 1

try DC PANDEY
HC VERMA
AND DINESH


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CHEERS


I HOPE U ASKED THE SAME

Answer 2

1. Kinematics:

In Kinematics we describe the motion only. We either know the velocity or acceleration, or the dependence of velocity on time or acceleration on time, but we need to find something else about this motion.

For example, we know that the velocity is 30 mph during 5 hours and 50 mph during 1 hour and we need to know the traveled distance. We do not know why the velocity is constant; we do not know why the acceleration has a given value. We do not know the origin of the motion. These questions are addressed in Dynamics. In Kinematics we just need to find the parameters of the motion – relation between velocity, acceleration, and distance.

Usually only two types of motions are considered in kinematics problems:

Motion with constant velocity and

Motion with constant acceleration.

Motion with variable acceleration is quite complicated. Only in some special cases can we easily solve such problems, but usually we need to solve second order differential equations to get the answer in these problems.

All of the equations of motion in kinematics problems are expressed in terms of vectors or coordinates of vectors. This is the most difficult part in kinematics problems: how to express the initial values or the final values in terms of the variables in the kinematic equations. Another difficult part in kinematic problems is related to the description of relative motion.