- Mera class 9th 3 questions hal kar dijiy
A motarcar ka dravman 1000kg hi viramaavastha se chalkar kar 10second me 20m/sec ka beg prapt krati hi yant kijiy(1) kar ka tvarn (2) kar ke sambeg me privartan(3) kar par aaropit bal
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EXPLAIN THE NUMBER 2 QUESTION IN REAL. Answer 2×10 ki power 4 has come
यहाँ
u = 0 m/s
v = 20 m/s
t = 10 seconds
(i)
a = (v – u)/t = (20 – 0)/10 = 2 m/s^2
(ii)
संवेग परिवर्तन
p = m (v – u)/t = ma = 1000 x 2 = 2000 kg m/s^2
(iii)
संवेग परिवर्तन की दर लगाए गए बल के समानुपाती होती है
बल = 2000 N