She wants to calculate the density of one of these cubes. Blessy needs to measure two physical quantities. One of these is the mass of the cube.
(i) What is the other physical quantity that Blessy needs to measure?

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.

Arod of some material 0.20 m long elongates 0.20 mm on heating from 21 to 120°c. determine the value of the linear coefficient of thermal expansion [in (degrees c)^-1] for this material.

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering