With a decrease in body weight by 4 times, its kinetic energy? a) decrease 4 times b) increase 4 times c) decrease 16 times d) increase 16 times
Problem data: m1 (initial mass of the taken body) = 4m2 (considered mass).
To determine the change in the kinetic energy of a taken body, we use the ratio: Ek1 / Ek2 = k = (m1 * V ^ 2/2) / (m2 * V ^ 2/2) = m1 / m2 = 4m2 / m2 = 4 times.
Answer: a) will decrease by 4 times.
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