Final answer:
The kinetic energy of a softball with a mass of 0.20 kg moving at a speed of 35.0 m/s is calculated using the formula KE = 0.5 × mass × velocity^2, which results in 122.5 J. The correct answer is a) 122.5 J.
Step-by-step explanation:
The question asks us to calculate the kinetic energy of a softball with a mass of 0.20 kg moving at a speed of 35.0 m/s. Kinetic energy (KE) can be calculated using the formula KE = 0.5 × mass × velocity2. Substituting the given values into the formula will give us:
KE = 0.5 × 0.20 kg × (35.0 m/s)2
KE = 0.1 kg × 1225 m2/s2
KE = 122.5 J
Therefore, the correct answer is a) 122.5 J.