An object is dropped from a ladder. It reaches the ground 1.0 seconds later. If acceleration due to gravity is -9.81 m/s2, calculate the height of the ladder. (Note, the
ladder height is positive)

Ireally just need to get finished with precal! i’m really sorry i have to do this! hope this !

Ibelieve the answer is b

Answerit is comparative because this experiment is comparing the results of the volume at minimal pressure and then increases it; ; ;

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.