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The particle model is a simplified way to describe the motion of an object where motion does not...The elevator is initially at rest. It starts accelerating with constant acceleration from zero...Vector is defined as a quantity having a magnitude and direction. It can be exemplified graphically...An object remains at rest (stable equilibrium) until a net force is acting on the object. Force is a...For a object to be in equilibrium, while it is acted upon by two forces, the following conditions...Acceleration of a body is the rate at which the velocity of the object changes with time. In a...The angular velocity is taken positive for counter clockwise rotation and it is taken negative for...An object is said to be in static equilibrium when the net force and the net torque acting on the...Write the expression for the momentum. px=mvx (I) Here, px is gthe momentum, m is the mass and vx is...

The work of the brakes in the car mostly is to stop or slow down the speed of the vehicle, and this...When one hand is rubbed against another vigorously, then, due to the movement of one surface against...The mass number for Neon (Ne) is 20 and the mass number for nitrogen (N2) is 14 and is determined...Write the expression to calculate the density of the object. ρ=mV (I) Here, V is the volume, m is...A motion is said to be oscillatory motion if it repeats itself about a fixed equilibrium position...Waves can be categorized in two types namely:- Transverse Waves Longitudinal waves In both these...Write the expression for speed of light in another medium. v=cμ (I) Here, v is the velocity of light...Frequency is defined as number of oscillations per second. The solution can be understood from the...During a solar eclipse the sun acts as a small but extended source and it casts a shadow of the moon...The shape of image on the screen also depends upon the distance of the screen from the point where...When a plastic rod is rubbed with wool, the plastic rod acquires negative charge on it because from...Electric potential at a point is defined as the work done in moving a point charge from infinity to...One of the simple method is to place a compass needle near to the circuit, if the circuit is...From the given figure, the connection of the outer metal case of the light bulb should connect to...If magnet on the right is fixed and magnet on the left is free to move, the second magnet rotates....According to Lenz’s law, if the magnetic flux changes, a current in a loop will be induced. As the...Write the expression for average power in ac circuit. PR=Vrms2R (I) Here, PR is the average power,...A reference frame can be considered as a coordinate system in which experiments equipped with any...Write the Bragg’s condition for the constructive interference of first order x-ray diffraction....In the discharge tube the neon emits red and orange spectrum, this is due to the transition from the...According to general trend an atom have larger atomic mass correspond to larger atomic number. But...

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