bonk OA of a bay AOB and 64sec

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Refer attached picture question no. 9.  Answer is 64 second

Sapays
11. A biker is moving with constant velocity v away from a long straight
[1
í7.
645ec
Hortest transit time of the drive between the spots. O4seC
B
a
reach the desired fishing spot. P: d (u? u?S in?@)
u ょsint
(Sine
11. A biker is moving with constant velocity v away from a long straight
wall at an angle 0 with the wall. He honks a short beep of horn when he
is at a distance l from the wall. After how long from the instant he has
colp honked, will he again hear an echo of the honking? Speed of the sound
in air is c.
てれたーチ0
ZA grasshopper is sitting on the horizontal ground and the sun is shining
obfat an angle @above the horizon. The grasshopper jumps towards the sun
tPwith an initia ity u at an angle 0 with the ground. Find expression
ino
Lu5Yor spe
of the grasshopper on the ground. Acceleration du
Transcribed Image Text:Sapays 11. A biker is moving with constant velocity v away from a long straight [1 í7. 645ec Hortest transit time of the drive between the spots. O4seC B a reach the desired fishing spot. P: d (u? u?S in?@) u ょsint (Sine 11. A biker is moving with constant velocity v away from a long straight wall at an angle 0 with the wall. He honks a short beep of horn when he is at a distance l from the wall. After how long from the instant he has colp honked, will he again hear an echo of the honking? Speed of the sound in air is c. てれたーチ0 ZA grasshopper is sitting on the horizontal ground and the sun is shining obfat an angle @above the horizon. The grasshopper jumps towards the sun tPwith an initia ity u at an angle 0 with the ground. Find expression ino Lu5Yor spe of the grasshopper on the ground. Acceleration du
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