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Grade 12th passMechanics

A block of mass 2.00 kg moving at speed of 10.0 m/s accelerates at 3.00 m/ss for 5.00 s.compute its final kinetic energy.

Profile image of pooja kapgate
9 Years agoGrade 12th pass
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1 Answer

Profile image of Vikas TU
9 Years ago
After accelerating the final velocity becomes:
v = 10 + 3*5 = >10 + 15 = 25 m/s.
Hence its  final Kinetic Energy becomes = > 0.5mv^2 = > 0.5 * 2 * 25*25 => 625 Joule.