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Posts by RAYNOLD

Total # Posts: 4

An element has a body centred cubic structure with edge cell of 288 pm .The density of the element is 7.2 g/cm3.How many atoms are present in 208g of the element.

Two balls of masses 5 kg and 15kg are separated by a fixed distance of 0.8m. find the position of the centre of mass of system

explain the significance of the negative sign in gravitational potential energy?

complete the following reaction: 1.CH3-CH-_CH2+H2O 2.CH2-CH2+Br2

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