At what speed a body of mass 1 kg willhave kinetic energy of 1 joule
NCERT Class IX
Sciences - Main Course Book
Chapter 11. Work and Energy
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K.E=1/2*m*v^2
1=1/2*1*v^2
v^2=2
v=√2
v=1.414m/s
1=1/2*1*v^2
v^2=2
v=√2
v=1.414m/s
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