What force would you need to accelerate an object with a mass of 0.2 kg to the south at 600 m/s/s? *

This is what a calorimeter is used for simpler ex, to measure calories in food.

The correct option is this: the sound waves from the two trombones have slightly different frequencies.from the question given above, we are told that the loudness of the sounds were increasing and decreasing, this is because the frequencies of the two sounds are different. the means that the number of waves that pass a fixed point in a given amount of time differ for both sounds.

Does this have a b c d option or no 

En espanol amigo por favor