The curved surface area of a frustum of a cone
is 2170 cm². If the radii of its upper and lower
circular surfaces are 5 cm and 7 cm respectively,
then its total surface area is
(A) 337 cm
B) 537 cm
(C) 957 cm?
(D) 1657 cm?
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⚘Question:-
A car initially at rest starts moving with a constant acceleration of
•
0.5 m/s²
. Calculate it's
25 cm
and travels a distance
time
and
final velocity
.
taken
⚘Answer:-
s
/
m
5
.
0
Final velocity =
•
d
n
o
c
e
s
1
Time taken =
•
\qquad\footnotesize{\underline{\bf \red{E}\quad \purple{X}\quad \green{P}\quad \pink{L}\quad \orange{A}\quad \blue{N}\quad \gray{A}\quad T\quad \red{I}\quad \pink{0}\quad \purple{N}}}
⚘Given:-
s
/
m
0
Initial velocity (u) =
•
²
s
/
m
5
.
0
Acceleration (a) =
•
m
c
5
2
Distance travelled =
•
⚘ToFind:-
?
Final velocity (v) =
•
?
Time taken (t) =
•
⚘Solution:-
★ Calculating final velocity ::
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