It would be B since it starts with the solar energy which is converted to electricity with the solar panels, which then creates mechanical energy for the fans blades to move and sound for the radio.
Hope that helps :)
That's false.
The definition of momentum is (mass) x (speed), so they must be multiplied.
"20,000 kg-m/s" has the correct units resulting from multiplication, but the number could only be the result of division.
I’m pretty sure it just wants you to list the property’s meaning the material and density
The motor effect is the term used when a current-carrying wire in the presence of a magnetic field experiences a force.
