If a person with a spring balance and a body hanging from it goes up and up in an airplane then the reading of the weight of the body as indicated by the spring balance will
A lift is moving downwards at a very high constant speed. A passenger present inside the lift standing on a weighing machine would notice that his weight
The high-tensile steel used to support the roadway of a suspension bridge breaks under a stress of 2 x 109Pa. Find the minimum cross-sectional area for a cable if it is to support a load of mass 2 x 105kg.
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?
For a system to transmit thousands of telephones conversations, several television programs and numerous data signals, it need the following number so threads of optical fibre
The uranium Nucleus 𝟐𝟑𝟖 𝑼 undergoes successive decays, emitting respectively 𝑎 − 𝒓𝒂𝒚,𝖰 −
𝒓𝒂𝒚 𝒂𝒏𝒅 − 𝒓𝒂𝒚𝒔. What is the atomic number and atomic mass of the resulting nucleus:
If the acceleration due to gravity at the earth's surface is 9.8 m/s2 and the mass of the earth is 80 times that of moon and radius of earth 4 times that of moon,the value of G at the moos's surface will be:
A train if 150 m length is going towards north direction at a speed of 10 ms-1. A parrot flies at a speed of 5 ms-1 towards south direction parallel to the railway track.The time taken by the parrot to cross the train is equal to
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
Surface and ground water sources are contaminate by various human activity. which of the following is not a human activity that causes contamination in fresh water?
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
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
It is characteristic of the Metropolitan Opera as of every major international company that the casting is based more on the availability of singers as it is on the tastes of the music director and the public
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.
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
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
