Why can't the teacher test the amount of water and the amount of sunlight in the same experiment? The plants would not grow At the end, he would not know which caused the plants to grow differently The plants would grow too fast Actually, he can test both things in the same experiment

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

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative

How many neutrons does plutonium -196 with an atomic number of 78.