Three people push a piano on wheels with forces of 130 N to the right,
150 N to the left, and 165 N to the right.
What are the strength and direction of the
net force on the piano

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?

Using a pedometer, you walk 3000 steps in 20 minutes, so your speed is 150 steps/min. each of your steps is 0.7 m long. what is your speed? 150 steps/min=/s=/h

Language is not the only way that humans communicate. describe how we use sound, touch, chemicals, and sight to communicate. need answer asap