A person is standing on a scale in an elevator. The scale reads 800 N when 3 points the elevator is at rest. If the elevator accelerates upward as you see in the
picture. What will the scale's reading be?
- 800 N - More than 80N. -Less than 80N

The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 12 ohms. what is the voltage?unit:

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

Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.