how fast the hot air balloon appear to the moving to the person into the Canoe
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Answered by
1
The velocity of the stone when it is released from the balloon it is given by v=u +at and equal to the velocity of the balloon. Consider downward direction as positive and substitute, v=?, u=0, v=?,u=0,a=−5ms
−2
,t=85
v=−5×8=−40ms
−1
Thedisplacementofthestoneafter8sis
s=−ut+1/2gt
2
Substitutings=h,u=−40ms
−1
t=8s,g=10ms
−2
h=−40×8+
2
1
×10×8
2
h=−320+320h=0.
.
i.e., the stone returns back to the position from where it is released,i.e., the height of the balloon from the ground at the end of 8 seconds.
S=ut+
2
1
at
2
substituteu=0,
a=−5ms
−2
,t=8s
s=−1/2×5×8×8=−5×4×8
s=−160m
∴Theheightoftheballoonfromthegroundis160m.
−2
,t=85
v=−5×8=−40ms
−1
Thedisplacementofthestoneafter8sis
s=−ut+1/2gt
2
Substitutings=h,u=−40ms
−1
t=8s,g=10ms
−2
h=−40×8+
2
1
×10×8
2
h=−320+320h=0.
.
i.e., the stone returns back to the position from where it is released,i.e., the height of the balloon from the ground at the end of 8 seconds.
S=ut+
2
1
at
2
substituteu=0,
a=−5ms
−2
,t=8s
s=−1/2×5×8×8=−5×4×8
s=−160m
∴Theheightoftheballoonfromthegroundis160m.
Answered by
6
Answer:
The hot air balloon is the first successful human-carrying flight technology. The first untethered manned hot air balloon flight was performed by Jean-François Pilâtre de Rozier and François Laurent d'Arlandes on November 21, 1783, in Paris, France, in a balloon created by the Montgolfier brothers.
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