On the ground the gravitational force on a satellite is W. What is the gravitational force on the satellite when at a height R/50,where R is the radius of the Earth
A bomb of mass 12 kg initially at rest explodes into two pieces of masses 4 kg and 8 kg.The speed of the 8 kg mass is 6 ms-1,The K.E of the 4 kg mass is
By which velocity a ball be projected vertically so that the distance covered by it in 5th seconds is twice the distance it covers in its 6th second (g = 10 m/s2).
A uniform beam of weight 100 N is 4 m long and is supported 1.0 m from one end. A load of weight wN hangs from that ened and the beam is in equilibrium.What is the value of w?
The pure crystalline substance on being heated gradually first forms a turbid liquid at constant temperature and still at higher temperature turbidity completely disapp-ears.The behaviour is a characteristic of substance forming
Methyl mercaptan, CH3SH, is one of the substances responsible for bad breath and is often used to impart a smell to natural gas in a pipeline. What will be formed when CH3SH is burned in an excess of air?
Lipids are naturally occurring compounds produced in cell and are water insoluble but soluble in organic solvent one of the following is not a lipid, Select among the following:
The molecular mass of a polymer is obtained by multiplying mass of the monomer unit with the degree of polymerization, The degree of polymerization of PVC is 1000.What is molecular mass?
A mixture of H2, H2 and CH4has total number of 0.51 mole and total pressure of 1 atmosphere. If the mass of H2is 0.8 gram, then its partial pressure is
Dichlorodifluoromethane, CC/2F2 has been used in aeroso propellants and as a refrigerant. Which statement helps to explain why dichlorodifluromethane is chemically inert ?
Triploblastic, unsegmented, acoelomates exhibiting bilateral symmetry and reproducing both asexually and sexually, with some parasitic forms are included in
The accident victim was very grateful to the hospital that had saved his life but viewed his insurance company with suspicion out of fear that it will refuse to pay his claim and very expensive medical bills
Her novel published to universal acclaim, her literary gifts acknowledged by the chief figures of the Harlem Renaissance, her reputation as yet ______ by envious slights, Hurston clearly was at the ______ of her career
If the Titanic had hit the iceberg head on, its water. tight compartments might have saved it from ______, but it swerved to avoid the iceberg, and in the collision so many compartments were opened to the sea that disaster was _______
Like their counterparts in other countries the student movement in the united states in the 1960 was a powerful one and probably helped to bring the war in Vietnam to an end
The hubble space telescope will search for planets around other stars, a key to the ___________ for extra terrestrial life, and examine interstellar dust and gases out of which stars are born.
The authority of voice in Frazer's writing strikes many readers today as ______ colonialism; his prose seems as invulnerable and expansive as something on which the sun was presumed never to set
