The two vectors to be combined have magnitude 60 N and 35 N. Pick the correct answer from those given below and tell why is it the only one of the three that is correct.
The cables holding a passenger lift swap and lift falls freely towards the ground. A person inside the lift is standing on a weighing machine. What does he notice?
The maximum and minimum magnitudes of the resultant of two given vectors are 17 units and 7 units respectively.If these two vectors are at right angles to each other.the magnitude of their resultant is
A whistle is revolved with high speed in a horizontal circle of radius R. to an observer at the centre of the circle the frequency of the whistle will appear to be:
Hydrogen has a = 0.245 atm. dm3. mole-2and b = 0.0266 dm3. mole-1SO2gas has a = 6.170 atm. dm3mole-2and b = 0.0564 dm3mole where a and b are Van der Waal's constant
A substances has Mr74.5, a melting point of 772°C and a boiling point of 1407°C. It conducts electricity only when in the liquid state.What is the bonding present in this substances?
John hogg separated blue green algae and bacteria (prokaryotes) form nucleated protists and placed them in a separate group called Monera, within the kingdom.
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
Long popular among the connoisseurs of indian music Ravi Shankar first impressed western listeners with his phenomenal technical virtuosity but they soon came to appreciate his music as an artful expression of an older cultures musical insights
Harriman Kennan, and Acheson were part of that inner ______ of the American diplomatic establishment whose distinguished legacy ______ U.S. foreign policy
The Metropolitan Museum of Art will soon add a wing devoted entirely to modern art whereas before other museums exhibited modern art while the Met ignored it
Having discovered the Roman aristocrats to be suffering from lead poisoning it is now thought that this was a major cause of their inability to reproduce
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
