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What is density?
Density is a physical characteristic, and calculates of mass per unit of volume of a material or substance. It is a measurement of the quantity of matter in a given volume of something.
The higher an object's density, the higher it's mass per unit of volume. The average density of an object equivalent its total mass divided by its total volume. A denser object (like iron) will have less volume than an equal mass of some less dense substance (like water).
(a) A 400mm length of conductor carrying a current of 25A is situated at right-angles to a magnetic field among two poles of an electric motor. The poles have a circular cross
What is coulmb''s law
The coordinates of two points in space are A(1, 2, 3) and B(4, -1, 2). Determine the angle between radius vector A and B.
Damped Simple Harmonic Motion Adding a damping force proportional to x to the equation of easy harmonic motion, the first derivative of x along with respect to time, the equati
FUNCTIONS OF NICOL PRISM
Q. What are de Broglie waves? Matter in motion should be accompanied by waves called de Broglie waves. de Broglie wavelength λ = h / mv
10 moles of an ideal gas expands reversibly and isothermally from a volume if 5 lit. to 50 lit. at 25°C. Find the maximum work done? Express the result in Joules.
a catapult can hurl a rock straight up in the air 45 m high. What is the maximun range of the catapult?
A particle is projected from ground with velocity 40sqrt2m/s.find- a)velocity and b)displacement of particle after 2sec .Take g=10m/s^2 Ans) velocity v=u+at a=-g v=40√2-10*2
how much force is necessary to stop the car when steps on a brake a 1000-kg car travelling at 65 km/h if the braking distance is 35 m?
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