There are cars with masses 4 kg and 10 kg respectively that are at rest. A car having the mass 10 kg moves towards the east with a velocity of 5 m/s. Find the velocity(cm/s) of the car with mass 4 kg with respect to ground
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Answer:
Given,
m1 = 4 kg
m2 = 10 kg
v1 = ?
v2 = 5 m.s-1
We know from the law of conservation of momentum that,
Pinitial = 0, as the cars are at rest
Pfinal = p1 + p2
Pfinal = m1×v1 + m2×v2
= 4 kg×v1 + 10 kg×5 m.s-1
Pi = Pf
0=4 kg×v1+50 kg×m.s-1
v1 = 12.5 m.s-1
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pradeepsri1971
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Answer:
Given,
m1 = 4 kg
m2 = 10 kg
v1 = ?
v2 = 5 m.s-1
We know from the law of conservation of momentum that,
Pinitial = 0, as the cars are at rest
Pfinal = p1 + p2
Pfinal = m1×v1 + m2×v2
= 4 kg×v1 + 10 kg×5 m.s-1
Pi = Pf
0=4 kg×v1+50 kg×m.s-1
v1 = 12.
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