What main energy conversion occurs?
(1 point)
Responses
Mechanical energy changes into thermal energy because the energy from motion creates heat in the air around the runner.
Mechanical energy changes into thermal energy because the energy from motion creates heat in the air around the runner.
Mechanical energy changes into chemical energy as the kinetic energy from motion creates reactions in the surrounding air.
Mechanical energy changes into chemical energy as the kinetic energy from motion creates reactions in the surrounding air.
Thermal energy changes into mechanical energy because heat provides energy for motion.
Thermal energy changes into mechanical energy because heat provides energy for motion.
Chemical energy changes into mechanical energy because energy from digestion of food provides energy for the runner’s motion.
Chemical energy changes into mechanical energy because energy from digestion of food provides energy for the runner’s motion.
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1 answer
The correct response is:
Chemical energy changes into mechanical energy because energy from digestion of food provides energy for the runner’s motion.
This is because the runner's body converts the chemical energy stored in food into mechanical energy used to propel her forward.
