Class notes
Physics 1300 - 2D Kinematics
- Course
- Institution
Phys 1300 - 2D kinematics, UOFG, Sept. 2023 - Dece 2023
[Show more]
Seller
Follow
malihamahmud05
Content preview
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
, 2 D Kinematics
&X = X
,
-X , Chorizontal displacement)
&
y
:
Y2 Y ,
(vertical displacements
↑ :
position
↓ =
displacement
Or : Ux &
Oy lyz X
,
= r
, 2 Y X2 = "2
Sample problem : 4 I .
1) Total distance travelled
22m ,
36 22 + 34 = 56m travelled
T
NE +X -
34 m , 65'SE
36
+
y
Start-- 65
when
using components you ,
must
always
- (
.... I declare the xRy direction , I treat them
end
separately. This allows
you
to
find displacement
2) Displacement
OF :
0x20y X
,
= 22 m cos 36 Y = 22 Sin 136)
& findd = 17 . 8 m = 12 4 . m
x2 = 34cos(69) = 34 Sin (68)
42
0X = 17 . 8 + 14 4 . m = 32 Im
.
=
14 .
4 M = 30 8 . m
Oy = 12 4-30 8. . : -
17 P
. m
↳ The
ye component
is often
negative in this
measured as ,
case it is measured
negative
because we made our (South)
y-component facing down
DF = (32 2) .
"
+ ( -
17 . 4)
=
37 m
magnitude
O = tan" (
= 24
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller malihamahmud05. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $4.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
73918 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now