A position vector of a particle of 2kg mass at any time t is given by r(t) = 3ti+ 2t^2j+ t^3k Find at t = 1s, a) velocity and acceleration vectors, b) the torque on the particle, c) the kinetic energy

A position vector of a particle of 2kg mass at any time t is given by r(t) = 3ti+ 2t^2j+ t^3k Find at t = 1s, a) velocity and acceleration vectors, b) the torque on the particle, c) the kinetic energy

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter13: Gravitation

Section: Chapter Questions

Problem 50P: The perihelion of Halley’s comet is 0.586 AU and the aphelion is 17.8 AU. Given that its speed at...

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Question

A position vector of a particle of 2kg mass at any time t is given by
r(t) = 3ti+ 2t^2j+ t^3k
Find at t = 1s,
a) velocity and acceleration vectors,
b) the torque on the particle,
c) the kinetic energy,
d) Power,
e) Find the work done on the particle between t = 0 and t = 1s

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