¿Cual es la desaceleración de una bala que lleva una velocidad de 300 m/s y de detiene al incustrarse en un bloque de madera en cual penetra en 10cm.?

What are your choices. i believe it might be mitochondria but i will know for sure when i see the choices. let me know okay i'm happy to answer

Jenny and fred both play a long note on their trombones. a stationary observer hears the sound increasing and decreasing repeatedly in loudness. which of these must be true? the sound waves from the two trombones have slightly different frequencies.the sound waves from the two trombones have the same frequency.the sound waves from the two trombones have slightly different amplitudes.the sound waves from the two trombones have the same wavelength.the sound waves from the two trombones have slightly different velocities.  lolthe answer is          the sound waves from the two trombones have slightly different frequencies.

Hi there, the property that gives muscles the ability to contract and relax is the presence of actin and myosin.

Id k but good !