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loco85
Group Title
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
 3 years ago
 3 years ago
loco85 Group Title
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
 3 years ago
 3 years ago

This Question is Closed

bendt Group TitleBest ResponseYou've already chosen the best response.1
Differentiate and put your values of t in.
 3 years ago

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

alice_smith Group TitleBest ResponseYou've already chosen the best response.0
the answer is d
 3 years ago

loco85 Group TitleBest ResponseYou've already chosen the best response.0
It's not multiple choice.
 3 years ago

dhatraditya Group TitleBest ResponseYou've already chosen the best response.0
huh? this is not a multiple choice question
 3 years ago

bendt Group TitleBest ResponseYou've already chosen the best response.1
Have you got it loco?
 3 years ago

loco85 Group TitleBest ResponseYou've already chosen the best response.0
I'm having trouble figuring out how to do it.
 3 years ago

alice_smith Group TitleBest ResponseYou've already chosen the best response.0
u get better i tryed
 3 years ago

bendt Group TitleBest 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.
 3 years ago

loco85 Group TitleBest ResponseYou've already chosen the best response.0
What would the value for a be then?
 3 years ago

loco85 Group TitleBest ResponseYou've already chosen the best response.0
The way you showed is really helpful.
 3 years ago

bendt Group TitleBest ResponseYou've already chosen the best response.1
Good, glad I helped.
 3 years ago
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