Simple Harmonic Motion

  • Thread starter vooov92
  • Start date
  • #1
4
0
Please help me,

Question
The equation of motion of a mass is given as x = (0.2m) sin (3t). Find the velocity and acceleration of the mass when the object is +5cm from its equilibrium position.
 

Answers and Replies

  • #2
Doc Al
Mentor
44,975
1,245
Given position, how do you find velocity and acceleration? (What are the definitions of velocity and acceleration?)

Hint: Use a bit of calculus.
 
  • #3
4
0
how??
for v i use dx/dt
for a i use dv/dt

so how to solve it, i also not understand the statement... anyone can help me
 
  • #4
Doc Al
Mentor
44,975
1,245
how??
for v i use dx/dt
for a i use dv/dt
Exactly. So find expressions for v and a. Then combine them with the expression for x.
 
  • #5
4
0
Exactly. So find expressions for v and a. Then combine them with the expression for x.
can u show me the work step... can?
 
  • #6
Redbelly98
Staff Emeritus
Science Advisor
Homework Helper
Insights Author
12,115
151
You were given an expression for x, so find dx/dt for that expression.
 
Last edited:
  • #7
4
0
You were given an expression for x, so find dx/dt for that expression.
tq very much...
 

Related Threads on Simple Harmonic Motion

  • Last Post
Replies
17
Views
795
  • Last Post
Replies
3
Views
734
  • Last Post
Replies
2
Views
1K
  • Last Post
Replies
1
Views
802
  • Last Post
Replies
3
Views
1K
  • Last Post
Replies
1
Views
928
  • Last Post
Replies
3
Views
621
  • Last Post
Replies
3
Views
901
  • Last Post
Replies
6
Views
1K
  • Last Post
Replies
6
Views
1K
Top