राइट ए लेटर टू द प्रिंसिपल कमिश्नर ऑफ़ योर एरिया प्वाइंट इन ही मोर अबाउट हाउ द प्लांस इन कंडोमिनियम यार एरिया अलसो मेंशन द इंपैक्ट ऑफ टू द प्रेसिडेंट भजन एनिमल दो
Answers
राइट ए लेटर टू द प्रिंसिपल कमिश्नर ऑफ़ योर एरिया प्वाइंट इन ही मोर अबाउट हाउ द प्लांस इन कंडोमिनियम यार एरिया अलसो मेंशन द इंपैक्ट ऑफ टू द प्रेसिडेंट भजन एनिमल दो
ANSWER
Motion of the particle is shown above.
Let the total distance covered by the particle be s.
For second half motion :
Distance covered x+y=
2
s
.....(1)
Equal interval of time is taken to cover x and y distances with speed v
1
and v
2
, respectively.
⇒
v
ANSWER
Motion of the particle is shown above.
Let the total distance covered by the particle be s.
For second half motion :
Distance covered x+y=
2
s
.....(1)
Equal interval of time is taken to cover x and y distances with speed v
1
and v
2
, respectively.
⇒
v
1
x
=
v
2
y
⇒xv
2
=yv
1
⇒(
2
s
−y)v
2
=yv
1
(using 1)
⇒
2
s
v
2
=y(v
1
+v
2
)
⇒y=
2(v
1
+v
2
)
sv
2
From (1), we get x+
2(v
1
+v
2
)
sv
2
=
2
s
⇒x=
2(v
1
+v
2
)
sv
1
Time taken to cover second half motion, t=
v
1
x
+
v
2
y
=
(v
1
+v
2
)
s
Time taken to cover first half motion, t
′
=
u
s/2
=
2u
s
Now average velocity V
avg
=
Totaltime
Totaldistance
∴ V
avg
=
2u
s
+
(v
1
+v
2
)
s
s
⟹ V
avg
=
v
1
+v
2
+2u
2u(v
1
+v
2
)
solution
1
x
=
v
2
y
⇒xv
2
=yv
1
⇒(
2
s
−y)v
2
=yv
1
(using 1)
⇒
2
s
v
2
=y(v
1
+v
2
)
⇒y=
2(v
1
+v
2
)
sv
2
From (1), we get x+
2(v
1
+v
2
)
sv
2
=
2
s
⇒x=
2(v
1
+v
2
)
sv
1
Time taken to cover second half motion, t=
v
1
x
+
v
2
y
=
(v
1
+v
2
)
s
Time taken to cover first half motion, t
′
=
u
s/2
=
2u
s
Now average velocity V
avg
=
Totaltime
Totaldistance
∴ V
avg
=
2u
s
+
(v
1
+v
2
)
s
s
⟹ V
avg
=
v
1
+v
2
+2u
2u(v
1
+v
please don't forget to make me a brainlist and I
)
solution
