Asked by neki
A vehicle moves along the x axis according to the equation
x = 31.0 + 25.0t + 13.0t^2,
where x is in feet and t is in seconds. Give your answers in U.S. customary units. (Express your answers in vector form.)
a) What is the position of the vehicle when
t = 2.00 s?
x = ft
(b) What is the velocity of the vehicle when
t = 2.00 s?
v =
ft/s
(c) What is the acceleration of the vehicle when
t = 2.00 s?
a = ft/s2
x = 31.0 + 25.0t + 13.0t^2,
where x is in feet and t is in seconds. Give your answers in U.S. customary units. (Express your answers in vector form.)
a) What is the position of the vehicle when
t = 2.00 s?
x = ft
(b) What is the velocity of the vehicle when
t = 2.00 s?
v =
ft/s
(c) What is the acceleration of the vehicle when
t = 2.00 s?
a = ft/s2
Answers
Answered by
oobleck
(a) just plug in t=2
(b) v = dx/dt = 25.0 + 26.0 t
(c) a = dv/dt = 26.0
(b) v = dx/dt = 25.0 + 26.0 t
(c) a = dv/dt = 26.0
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