A man sitting in a bus traveling in a direction from west to east with a speed of 40 km/h observes that the rain-drops are falling vertically down.To the another man standing on ground the rain will appear
A body of mass 5 kg is moving with a momentum of 10 kg m/s.A force of 0.2 N acts on it in the direction of motion of the body for 10 seconds.The increase in its kinetic energy is
The sum of the magnitude of two forces acting at a point is 18 and the magnitude of their resultant is 12.If the resultant is at 90° with the force of the smaller magnitude then their magnitudes are:
Dichlorodifluoromethane, CC/2F2 has been used in aeroso propellants and as a refrigerant. Which statement helps to explain why dichlorodifluromethane is chemically inert ?
At STP,a container has 1 mole of Ar,2 moles of CO2,3 moles of O2 and 4 moles of N2.Without changing the total pressure if one mole of O2 is removed,the partial pressure of O2
The president of the block association tried to convince her neighbours they should join forces to prevent crime in the neighbour hood rather than continuing to be victimized
To alleviate the problem of contaminated chicken, the study panel recommends that the federal government shift its inspection emphasis from cursory bird. by bird visual checks to a more _______ random sampling for bacterial and chemical contamination
One of the most ______ educators in New York, Dr. Shazia ignited a controversy in 1984 by calling the city public schools a "rotten barrel" in need of ______ reform
The newest fiber optic cables that carry telephone calls cross. country are made of glass so ______ that a piece 100 miles thick is clearer than a standard windowpane
