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Car - 1000 kg standingTruck - 7000 kg moving with 10 m/sm, = 1000 kgu1 =0 m/s m₂ = 7000kgmtMylly - mivet M₂u1000X0 + 7000xlo - v licoot7000)70000 = v(8000)Foove = v V = 8.75 |
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Answer» Explanation: GIVEN : m=1000 kg u=10 m/s t=10 s Applied FORCE F=1000 N (forwards) Retarding force f=500 N (backwards) Acceleration of the CAR in forward direction a= m F−f
= 1000 1000−500
=0.5 m/s 2
USING v=u+at ∴ v=10+0.5×10=15 m/s |
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