Two objects, each of mass 1.5 kg, are moving in the same straight line but in opposite directions. The velocity of each object is 2.5 m s-1 before the collision during which they stick together. What will be the velocity of the combined object after collision?
NCERT Class IX
Sciences - Main Course Book
Chapter 9. Force and Laws of Motion
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m1 = m2 = 1.50 kg
v1 = 2.50 m/sec
v2 = - 2.50 m/sec
m1 v1 + m2 v2 = (m1 + m2) v
1.50 * 2.50 - 1.50 * 2.50 = 0 => v = 0
So the combined momentum is zero. so v = 0.
v1 = 2.50 m/sec
v2 = - 2.50 m/sec
m1 v1 + m2 v2 = (m1 + m2) v
1.50 * 2.50 - 1.50 * 2.50 = 0 => v = 0
So the combined momentum is zero. so v = 0.
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