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Each particle produces a gravitational field around it which exerts the gravitational force on each of the other particles present within this region. The portion around a point mass in which each other point mass experience a gravitational force, is known as the gravitational field i.e. The intensity of gravitational field at point is the gravitational force exerted on a unit mass reserved at that point.
The force performing on a particle of mass m placed at a distance r from the centre of earth is given by
why electrons do not exist in nucleus
When an earthquake occurs, two types of sound waves are generated and travel through the earth. The primary, or P, wave has a speed of about 7.5 km/s and the secondary, or S, wave
a) What force is needed to give amass of 20kg an acceleration of 30m/s 2 ? b) Find the accelerating force when a car having a mass of 1.7Mg enhances its speed with a constant a
Explain the term- Zener Breakdown Under a very high reverse voltage, depletion region expands and potential barrier increases resulting in a very high electric field (3X10 7
Differentiate between displacement current and conduction current.
Field system: The object of the field system is to make a uniform magnetic field, within which the armature rotates. It consists of four parts- yoke, pole core, pole shoe and fiel
One source of a star's energy is the fusion of two deuterons to form an alpha particle plus a gamma ray. a. Write down the nuclear equation for this fusion. b. Measure the m
Determine the ratio of the frequencies of harmonics in an air column of same length in a) a closed pipe and b) an open pipe
A dartboard with a mass of 2.20 kg is suspended from the ceiling such that it is initially at rest. A 0.030-kg dart is thrown at the dartboard with a velocity of 1.3 m/s. A
What is a capacitor
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