The discussion focuses on calculating the position, velocity, and angle of a particle moving in an xy plane, defined by the position vector r=(2.00(t^3) -5t)î + (6.00 - 7.00(t^4))j. Participants are tasked with finding the resultant position R, the velocity V, and the angle between the positive x-axis and the tangent line at t=25 seconds. Key concepts include converting from rectangular to polar notation and understanding the relationship between position and velocity.
PREREQUISITESStudents in physics or engineering courses, educators teaching kinematics, and anyone interested in particle motion analysis and vector calculus.
Daretodaredar said:Homework Statement
the position "r" of a moving particle moving in an xy plane is given by r=(2.00(t^3) -5t)î+ (6.00-7.00(t^4) )j with r in meters and t in seconds. In unit notation calculate:
A) R
B) Velocity
C) R when t is 25 seconds
What is the able between the positive direction of the x-axis and a line tangent to its path at t=25 s
Homework Equations
I have no clue what to do!
The Attempt at a Solution