A)
B)
C) At 5.24 s , how far is the squirrel from its initial position?
D) At 5.24 s , what is the magnitude of the squirrel's velocity?
E) At 5.24 s , what is the direction (in degrees counterclockwise from +x-axis) of the squirrel's velocity?
Express your answer to three significant figures and include the appropriate units.
given
position vector = r = (0.28t + 0.036 t^2 ) i + 0.019 t^3
j
velocity = v = dr/dt = (0.28 + 2*0.036 t ) i + (3*0.019 t^2) j
A)
Vx = (0.28 + 0.072 t )
B) vy = + (0.057 t^2 )
c)
at t= 5.24 s
r = ((0.28*5.24) + (0.036*5.24^2) ) i + (0.019*5.24^3) j
r = 2.46 i + 2.73 j
distane = r = 3.67 m
d)
vx = 0.656 m/s
vy = 1.56 m/s
magnitude = sqrt(vx^2+vy^2) = sqrt(0.656^2+1.56^2) = 1.69 m
(E)
direction = tan^-1(vy/vx) = 67.2 degrees counterclockwise from +x-axis
A) B) C) At 5.24 s , how far is the squirrel from its initial position?...
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