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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?
1. What evidence suggests that light is a wave? What evidence suggests that light is a particle? 2. In what sense does the "information age" depend on the bending of light?
Faraday's law The line integral of the electric field about a closed curve is proportional to the instant time rate of change of the magnetic flux by a surface limited by tha
In a pure semiconductor, concentration of electrons in conduction band is equal to the concentration of holes in valence band. In the process of conduction when an electric field i
An open barge has the dimensions 22x40x12m. If the bargeis made out of 4.0-cm-thick steel plate on each of its four sides and its bottom, what mass of coal can the barge carry in f
A 65g ball with a diameter of 3.1cm begins at rest and rolls down an incline. The angular acceleration of the ball is a constant 0.55rad/s2. ( I ball=(2/5)mr2 ) Calculate the net t
Explain Generation of electrical energy Generation of electrical energy : The conversion of energy available in dissimilar forms in nature into electrical energy is called as
Radar: The term radar is used for radio detection and ranging. Radar having of three types of devices, a transmitter, a receiver and indicator devices. It has very high frequen
Magnetic instruments are used to find out the magnetic moment of a bar magnet, find out the horizontal component of earth's magnetic field, compare the magnetic moments of two bar
what to right
Ask questionwhat r the axis&planes in human body.? In nature or in daily life is it applied or happening? #Minimum 100 words accepted#
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