You are using an electric motor that requires 40 volts to operate. the motor's circuit uses only 5 amps of direct current. how much power is being used?

An air bubble of volume 20 cm³ is at the bottom of a lake 40 m deep, where the temperature is 4.0°c. the bubble rises to the surface, which is at a temperature of 20°c.take the temperature of the bubble’s air to be the same as that of the surrounding water. just as the bubble reaches the surface, what is its volume?

What sort of waves exhibit the doppler effect?

Write a polynomial function with the given zeros x= -1,0,2show your work