a pulley gang with an IMA of 9 ,you exert 2 (by 10 to the 2nd power ) N of force to move an object. What is the weight of the object that you moved , ignoring friction ?

Ajet plane has a sound level of 120 db at a distance of 60 m. what is the q23. sound level at a distance of 6.0 km? (60)2 (6000)? om solution 80db db, hint: 16x assume ultrasound waves travel through the body of an animal at 1540 q24. m/s. if a 30,000 hz signal were reflected off a portion of a heart which was moving toward the source at 3 m/s, what frequency signal would return to the stationary source? solution 30.117hz

How would a small bar magnet be oriented when placed at position x?

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87