Science, asked by dharampalsingh0637, 1 day ago

कोई भी वस्तु सीधे ऊपर की तरफ फेंकी गई और 78.4 मीटर की ऊंचाई पर पहुंची उसका वेग ज्ञात कीजिए।(g=9.8m/s²)​

Answers

Answered by bhagatakash
1

Answer:

39.2 m/s.

Explanation:

Given, s(distance)=78.4m & g=9.8m/s2.

using, v^2=u^2 + 2gs

v(final speed) to be calculated.

u(initial speed) =0.

so v^2= 2×9.8×78.4

=1536.64

v = 39.2m/s

Answered by kinghacker
0

Explanation:

see the attachment for answers

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