A block of ice with mass 4.00 kg is initially at rest on a frictionless, horizontal surface.

Question:

A block of ice with mass 4.00 kg is initially at rest on a frictionless, horizontal surface. A worker then applies a horizontal force F to it. As a result, the block moves along the x-axis such that its position as a function of time is given by x(t) = αt2 + βt2, where α = 0.200 m/s2 and β = 0.0200 m/s3.

(a) Calculate the velocity of the object when t = 4.00 s.

(b) Calculate the magnitude of F when t = 4.00 s.

(c) Calculate the work done by the force F during the first 4.00 s of the motion.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

University Physics with Modern Physics

ISBN: 978-0321696861

13th edition

Authors: Hugh D. Young, Roger A. Freedman, A. Lewis Ford

Question Posted: