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2. A boy stands 10 m in front of a plane mirror . then be . . . - Socratic Now,distance between the boy and his image is 7 +7 i e 14 meters So,the image moved to him by (20 −14) or 6 meters Alternatively, From the above discussion,clearly, v + u = x (let)= 2u So, x = 2u Or, dx dt = 2 du dt It means velocity of image should be twice than that of man's velocity,so if the man moves by 3m then the image will move to
Question #01d26 - Socratic Suppose a man is walking in the yellow colored direction with velocity V 1 and rain is falling from the sky with velocity V 2 According to the picture given the ∠ACB is θ
How many neutrons does Fe have? | Socratic The most common isotope of iron is ""^56Fe There are 30 neutrons in this isotope Given that the nucleus contains 26 protons, i e 26 massive, positively charged nuclear particles, this demands that there are 30 neutrons in this isotope
Question #05f5e - Socratic The tension on cable is the sum of the man's and the elevator's weights Tension=G+ Gelevator When the elevator is accelerated downwards, there is an inertia force in the reverse direction This inertial force reduces the weight on the bathroom scale inertial force=691-499=299N Now ,let use the Newton's second law of motion F = m ⋅ a m:mass
How did Johnsons Great Society change the nation? - Socratic Johnson's Great Society brought more state intervention in the economy to wipe out poverty Johnson's Great Society was the continuation of Kennedy's New Frontier, since it aimed at reducing poverty It was based on Keynesian economics The federal programs Medicare and Medicaid, which helped respectively elderly people (over65) and poor people to get Health Care Its proponents claim that it
What is the strongest power ever found? - Socratic It depends on what do you mean by power In physics, "power" = "energy consumed" "time", which will be in "Watts" Like Saturn V produced about 41 MW of power The Fat Man used 84 TJ of energy in 10 microseconds (approx) So the we are talking about 8 4times10^19 Watts The Tsar Bomba , THE most powerful nuclear weapon ever detonated yielded about 10^22 Watts But these were man made