How would you calculate the kinetic energy of a 0.148kg (5.22oz) baseball traveling at 40 m/s (90mph)?
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Answer:
Option B. (0.148 × 40²) /2
Explanation:
The following data were obtained from the question:
Mass (m) = 0.148kg
Velocity (v) = 40m/s
Kinetic energy (K.E) =?
The kinetic energy of the base ball can be obtained by using ½mv² as follow:
K.E = ½mv²
K.E = ½ × 0.148 × 40²
K.E = (0.148 × 40²) /2