Suppose that you exert 500 N horizontally on a 40-kg crate on a factory floor. The friction between the floor and the crate is 200 N. What is the acceleration of the crate?

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

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving