Math, asked by arijitdas1802, 7 months ago

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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Answers

Answered by pradeepsri1971
0

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

Answered by loverboy3086
4

Answer

5.0/5

0

pradeepsri1971

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21 answers

1.1K people helped

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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