30cm^(3) of iron weighs 234g. Find its density in kg m^(-3) .
A block of mass 2kg is kept on a truck moving with a constant acceleration. The height 'h' of the block is 60 cm and its width 'w' is 15 cm . The surface between the block and the truck is sufficiently rough toprevent slipping. The minimum acceleration of the truck at which the topple is (take g = 10 m//s^(2) )
An iceberg weighs 400 tonnes. The specific gravity of iceberg is 0.92 and the specific gravity of water is 1.02. what percentage of iceberg is below the water surface?
A diamond weighs 3.71 g . It is put into a box weighing 1.4 kg . Find the total weight of the box and diamond to the correct number of significant figures.
A large watermelon weighs 20 kg with 96% of its weight being water. It is allowed to stand in the sun and some of the water evaporates so that only 95% of its weight is water. Its. reduced -weight will be 16 kg b. 16. 5 kg c. 17 kg d. 18 kg
A truck weighing 5000 kg f and a cart weighing 500 kg f are moving with the same speed. Compare their kinetic energies.
1 kg =_____tonne
A vessel, full of water, weighs 24 kg. When the vessel is 1/4 full, it weighs 9 kg. Find the weight of empty vessel.
