You can make a smoothie in a blender with a power of 300 watts and an efficiency of 80 percent. how much energy is actually being used to make the smoothie in 180 seconds?

a. 10,800 j

b. 43,200 j

c. 52,060 j

d. 45,875

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.

The sound level near a noisy air conditioner is 70 db. if two such units operate side by side, the sound level near the, would bea. 70dbb. 73 dbc. 105 dbd 140 db

Which of the following is another term for a planned economy