Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
The displacement (in meters) of a particle moving in a straight line is given by the equation of motion below, where t is measured in seconds.
http://www.webassign.net/cgibin/symimage.cgi?expr=s%20%3D%207%2Ft%5E2
(a) Find the velocity of the particle at time t = a.
m/s
(b) Find the velocity of the particle at time t = 1.
m/s
(c) Find the velocity of the particle at time t = 2.
m/s
(d) Find the velocity of the particle at time t = 3.
m/s
 2 years ago
 2 years ago
The displacement (in meters) of a particle moving in a straight line is given by the equation of motion below, where t is measured in seconds. http://www.webassign.net/cgibin/symimage.cgi?expr=s%20%3D%207%2Ft%5E2 (a) Find the velocity of the particle at time t = a. m/s (b) Find the velocity of the particle at time t = 1. m/s (c) Find the velocity of the particle at time t = 2. m/s (d) Find the velocity of the particle at time t = 3. m/s
 2 years ago
 2 years ago

This Question is Closed

bendtBest ResponseYou've already chosen the best response.1
Differentiate and put your values of t in.
 2 years ago

dhatradityaBest ResponseYou've already chosen the best response.0
velocity is ds/dt so differentiate your equation, then plug in values for t
 2 years ago

loco85Best ResponseYou've already chosen the best response.0
It's not multiple choice.
 2 years ago

dhatradityaBest ResponseYou've already chosen the best response.0
huh? this is not a multiple choice question
 2 years ago

loco85Best ResponseYou've already chosen the best response.0
I'm having trouble figuring out how to do it.
 2 years ago

alice_smithBest ResponseYou've already chosen the best response.0
u get better i tryed
 2 years ago

bendtBest ResponseYou've already chosen the best response.1
\[v=\frac{ds}{dt}=\frac{d(7t^{2})}{dt}=14t^{3}\]That's your function for velocity, now just plug in the values of t.
 2 years ago

loco85Best ResponseYou've already chosen the best response.0
What would the value for a be then?
 2 years ago

loco85Best ResponseYou've already chosen the best response.0
The way you showed is really helpful.
 2 years ago
See more questions >>>
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.