anonymous
  • anonymous
A ball is thrown vertically upward from the ground at a velocity of 150 feet per second. Its distance from the ground after t seconds is given by How fast is the ball moving 10 seconds after being thrown?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
so we know that \[v=v_{0}+at\]
anonymous
  • anonymous
yes velocity
anonymous
  • anonymous
or since this involves gravity our acceleration is constant so we have\[v=v _{0}-g t\]

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More answers

anonymous
  • anonymous
velocity = increment - gravity * time?
anonymous
  • anonymous
so you would plug in the givens of 10s and initial velocity of 150ft/s which converts to about 45m/s
anonymous
  • anonymous
and you have v=45-10*10
anonymous
  • anonymous
velocity equals velocity initial times gravity time time
anonymous
  • anonymous
times*
anonymous
  • anonymous
oh so it is velocities starting value
anonymous
  • anonymous
v0
amistre64
  • amistre64
you are missing the "is given by" rule .... which then would have its derivative taken
anonymous
  • anonymous
yes
amistre64
  • amistre64
Its distance from the ground after t seconds is given by _______
anonymous
  • anonymous
ft
anonymous
  • anonymous
given in feet lol
anonymous
  • anonymous
toadill he is talking about how the question in the beginning says is given by and then it goes right to the next sentence of "How fast is..."
anonymous
  • anonymous
How fast is the ball moving 10 seconds after being thrown
amistre64
  • amistre64
recons physics formula is apt :)
anonymous
  • anonymous
apt?
anonymous
  • anonymous
yeah more errors
amistre64
  • amistre64
apt: appropriate or suitable in the circumstances.
anonymous
  • anonymous
I am just trying to review this is what the instructor gave me lol
amistre64
  • amistre64
\[h(t) = -\frac12gt^2+v_ot+h_o\] \[h'(t) = v(t)\] \[v(t)=-gt+v_o\]
anonymous
  • anonymous
by s(t) = -16t^2 + 150ft
anonymous
  • anonymous
I guess it was an image instead of text.
amistre64
  • amistre64
yeah, those copy pastes get eaten sometimes if they cant be processed correctly :)
amistre64
  • amistre64
s(t) = -16t^2 + 150t , the derivative of displacement is velocity
anonymous
  • anonymous
So you just find the derivative of the function?
amistre64
  • amistre64
yes, and plug in t=10 for the solution
anonymous
  • anonymous
okay thanks I am going to take a break now.
amistre64
  • amistre64
margarita ville?
anonymous
  • anonymous
yeah lol
amistre64
  • amistre64
:) enjoy

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