A particle is moving in a vertical circle.The tensions the string when passing through two positions at angles 30° and 60° from vertical (lowest positions) are T1 and T2 respectively.Then
A spring balance is graduated at sea level. If the body is weighted with this balance at consecutively increasing heights form the earth's surface the weight indicated by the balance will
An automobile moves with constant speed along a circle of radius 40 m. It takes 2 μ second to complete one circle,The average speed for one complete circle is
In a spectrometer experiment monochromatic light is incident normally on a diffraction grating having 4.5 x 105 lines per meter.The second order line is seen at an angle of 30 to the normal what is the wavelength of the light?
The kinetic energy acquired by a mass m in traveling a certain distance d.starting from rest. under the action of a constant force is directly proportional to
Two forces 3 N and 2 N are at an angle 0 such that the resultant is R.The first force is now increased to 6 N and the resultant becomes 2R.The value of θ is
The rate of diffusion of hydrogen gas is three times than that of an unknown gas at same temperature and pressure than the molar mass of unknown gas is
Glendon providers a dark underside to Frederick Jackson Turner's frontier thesis that saw rugged individualism as the essence of American society ______ an individualism that she sees as ______ atomism
Although the manager agreed to more flexible work schedule he said that it must be posted on the bulletin board so that both management and labour will know that everyone is assigned to do
Since they shared so much when they were growing up Elizabeth and Sarah have cultivated a very special friendship and even now confide their most intimate thoughts only to one another
A person who constantly calls attention to his trials and sufferings is in danger of developing a martyr complex and impressing others that he is ______ seeking sympathy
Even though he is a leading authority on the French Revolution, the chairperson of the department is a __________ speaker wohos lectures on even the most exciting aspect of that historical period cause students to yawn and fidget.
In a revolutionary development in technology, several manufacturers now make biodegradable forms of plastic; some plastic six. Pack rings, for example, gradually _______ when exposed to sunlight
