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The mass of one atom of hydrogen taken as 1 is called the atomic mass uni..

. As the bob is displaced to one end, it gains potential energy and as it is released from rest, it starts gaining kinetic energy till it reaches the mean position. Kinetic energy possessed by the pendulum is maximum at the mean position and zero at the extreme positions, whereas the potential ener..

S.I unit of thrust is Newton (N). Now let us see whether there is a relation between the force applied (thrust) and the area on which it is acting..

Whose score is twice the score of John? => Edd or Bob or Mathew or John..

Oersted's experiment shows that a current carrying wire exerts a force on a magnetic needle and deflects it from its usual north-south positio..

The scatter plot displays the weight of Brian as he grew old. What was his weight when he was 10 years old? => 50 lb or 100 lb or 175 lb or 125 lb..

Dennis is 15 years old and Henry is 10 years old. Find the ratio of Dennis's age to the total of their ages. => 5 : 3 or 1 : 5 or 3 : 5 or 2 : 3..

Sarah is 20 years old. Kelly is 5 years older than Sarah. Which equation helps you to find how old Kelly is? => 20 + 5 = or 20 - 5 = or + 20 = 5 or + 5 = 20..

Now if the H atoms are forced to come closer than the equilibrium inter-nuclear distance, the repulsive forces start predominating and the energy of the system increases sharply. ..

Victor is 468 weeks old. Express his age in years. => 12 years or 11 years or 10 years or 9 years..