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A rocket is intended to leave the Earth's gravitational ?eld.
The fuel in its key engine is a little less than the amount that is essential, and an auxiliary engine, only capable of operating for a short time, has to be used as well.
When is it best to switch on the auxiliary engine: at take-off, or when the rocket has nearly stopped with respect to the Earth, or does it not matter?
For SHM to occur, three conditions must be satisfied. 1.There must be a position of stable equilibrium. At the equation in equilibrium potential energy is minimized. That is,
Neuroscience is a scientific study of the nervous system. Usually, neuroscience has been seen considered as a branch of biology. Thus, it is now present an interdisciplinary scien
In an ideal transformer , the no. of turns in primary & secondary are 200 & 1000 respectively .If power input to primary is 10kW at 200V.Calculate i)output voltage ii)current in
how many seconds dose it take an elevator to travel 373m if it accelerates at 4.80 m/s^2 and has a velocity of 17.8m/s how much time does it take an elevator to travel 373 meters
Show the conditions for total internal reflection to happen. Arrive at the relation between refractive index and critical angle. What do you mean by optical fibre? on what rules do
Que: Completely un-polarized light of intensity Io is occurrence on a polarizer whose polarization direction makes an angle of 15.0 degrees amid respect to the vertical. What i
NEWTON'S THIRD LAW OF MOTION: This law can be described as "Actions and reactions are equal and opposite". OR To every action there is a
Describe Kirchoffs Current Law? Ans. It defines " the current flowing toward a point in a circuit have to be equal to the current flowing away from that point. I = I 1 + I
What is the wavelength of electromagnetic waves of frequency 5 x 1019Hz in free space? Give its two applications.
Wave motion is the motion in which the particle/matter remains at the point where it is. But the disturbance/energy gets transfer from one point to the other. The particle just o
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