2.1 fill in the blanks {a) The volume of a cube of side 1cm is equal tom3
b) The surface area of a solid cylinder of radius 2 0 cm and height 10.0 cm is equal tomm2
(c) A vehicle moving with a speed of 18 km h coversm in 1s
(d) The relative density of Iead is 11.3. Its density is
g cm-3 or kg m-3

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When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

Sunidhi made a study chart about changes in states of matter. which headings best complete the chart?

A10-kg piece of aluminum sits at the bottom of a lake, right next to a 10-kg piece of lead, which is much denser than aluminum. which one has the greater buoyant force on it? explain. b - the aluminum a) both have the same buoyant force. b) the aluminum c) the lead d) it cannot be determined without knowing their volumes.