Question

তাপ ও উয়তা বলতে কী বােঝায় এবং তাদের বৈশিষ্ট্যগুলি লেখাে। * (2+2)+(2+2)​

Answer 1

Explanation:

15. The initial situation of two moving objects is shown in

the figure. Suppose, after collision the two objects stick.

What will be the velocity of the two object system?

m¹ = 5kg ; Second :- M² = 3 kg

u¹ = 10m/s ; u² = 5m/s

[ Hint : 5×10-3×5=(5+3)×v --> v = 35/8 = 4.4ms-¹

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