Which simple machines combine to make scissors? a. one lever and two wedges b. two levers and two wedges c. one inclined plane and two wedges d. two inclined planes and two wedges

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

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

Alarge cruise ship of mass 7.00 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) what is the ship's kinetic energy at this time? (b) how much work is required to stop it? (give the work done on the ship. include the sign of the value in your answer.) (c) what is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.00 km?