04-12-2018
Physics

contestada

a 95 kg football player is initially running at 8.25 m/s. The football player slows down to .47 m/s. What is the change in kinetic energy

Respuesta :

Christophrrb Christophrrb

04-12-2018

Change in KE = K_initial - K_final
= (½)m(v_final)² - (½)m(v_initial)²
= (½)(95)(0.47)² - (½)(95)(8.25)²
= -3222.476

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