А 10-kg tortoise sits on a see-saw 1 meter from the fulcrum. Where must a 2-kg hare sit in order to maintain rotational equilibrium? Assume the see-saw is massless.

What law energy has never been broken

Blank liquids and gases exert a buoyant force on objects placed in them

The magnetic field inside a superconducting solenoid is 4.50 t. the solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. determine (a) the magnetic energy density in the field and (b) the energy stored in the magnetic field within the solenoid.