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Physics 1300 - Kinematics
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PHYS1300 - 1D Kinematics - UOFG Sept. 2023 - Dec. 2023
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Average Speed= -stanee
2I
Sample problem .
diameter 10 min
Swimmer cross circular
swimming pool of a 225
a) Calculate the
spes to
Speedar-average
= 0 .
82 m/s
3) at the same how take
average speed ,
long would the swimmer to swim
around the
edge of the pool ?
because know the
information given to must the
we
only us , we
rearrange
to
formula use what we have
d
Ot =
Speedau
=
(TT) 10 m m
>
- because we are
doing the whole pool circumfrance
,
0 82 m/s
.
= 64S
#
Checkpoint
car
goes arg Speed of
. 20 mis
for half an hour . Truck
goes arg speed
same time Which travelled
of 72 kemh
for .
further?
convert km/h
to
Cancel
(t) Trucke (Speedarg)
d
(Speedarg) d (t)
totes
car = :
outuni re = =
= (30 min) /20 m/s) x = (72 /em/k) 10. Sk).
= 36000 m = 36 /em = 36 /em
· Both Cars travelled the Same distance
, Sample problem 2 2 .
the
calculate
average Velocity & Speed for the 2 cars
travelling alps
Tourist takes 90 min to travel 45 lem
Local driver takes 4 0 min to travel is
.
Rem
* Note , the local tool east to the
a tunnel at the bottom
of the mountain
going
the tourist. Both have the same
exact same
spot as
people displacement
as
they Started & ended in the same
spot just different
,
distance
*
Displacement is
always the straight path from Start to
finish ,
also
typically the smallest value when
given
2
diff values
Vargen
Tourist local
in
Vary
=
= =
- min
= s n
10 lem/h
Varg lem/h
=
100
Varg =
Tourist Local
Speedarg Speedarg
= = = =
+
+
=
Ase : Islem
0 .
-
/Sh
30 lem/n =
100 lem/h
Speedarg Speedarg
=
Acceleration
t Velocita
Par :
<U +z -t
↳ Since we
only dealing
are w/
constant acceleration instantinous ,
acceleration
will
always equal each other (average acceleration)
E,
Uh 3
= 0
t if v =
Vo + (a) (t) - soli
a
constant
acceleration
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