1.

3. Solve the following numericals: (2 x 5-10of each object is 2.5 m sl before the collision during which they stick together. What will be the velocity of thecombined object after collision?an echo 5 s later. Calculate the speed of sound in

Answer»

M1 = m2 = 1.50 kgv1 = 2.50 m/secv2 = - 2.50 m/sec

m1 v1 + m2 v2 = (m1 + m2) v1.50 * 2.50 - 1.50 * 2.50 = 0 => v = 0

So the combined momentum is zero. so v = 0.



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