One volunteer had a kinetic energy of 270 J and a speed of 3.0 m/s at the moment he left the ground.
Calculate his mass.

Respuesta :

Answer:

60kg

Explanation:

Ek =1/2 mv^2

Ek/0.5v^2 = m

270/0.5 x 3^3

=60kg

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Answer: 60kg Explantion : M=2kE/v² M=2(270J)/3m/s(3m/s) M=540J/9m²/s² M= 60 kg