When a piece of iron of mass is 78 gram is put in a graduated cylinder containing 100cm³ of water, the reading of the cylinder become 110³ cm calcute the denisty of the piece of iron​

Which of the following represents a virtual image?

Calculate the kinetic energy of earth due to its spinning about its axis. krot = j compare your answer with the kinetic energy of the orbital motion of earth's center of mass about the sun. assume earth to be a homogeneous sphere of mass 6.00 1024 kg and radius 6.40 106 m. the radius of earth's orbit is 1.50 1011 m.

Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied. true or false