Solution Found!
The position of a 2.0 kg mass is given by x = (2t3 ? 3t2)
Chapter 6, Problem 35P(choose chapter or problem)
QUESTION:
Problem 35P
The position of a 2.0 kg mass is given by x = (2t3 − 3t2) m, where t is in seconds. What is the net horizontal force on the mass at (a) t =0 s and (b) t = 1 s?
Questions & Answers
QUESTION:
Problem 35P
The position of a 2.0 kg mass is given by x = (2t3 − 3t2) m, where t is in seconds. What is the net horizontal force on the mass at (a) t =0 s and (b) t = 1 s?
ANSWER:
Step 1 of 3
We are required to calculate the net horizontal force on the 2.0 kg mass.
Given:
Differentiate,
Differentiate again to calculate the acceleration,
Thus,