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Inertia: the resistance an object has to a alter in its state of motion.
Newton's first law of motion declares that force is NOT required to keep an object in motion.
Slide a book across the table and watch it slide to a rest position. The book in motion on the tabletop does not come to a rest position due to the absence of a force; rather it is the presence of a force - the force of friction - that brings the book to a rest position.
A toy train moves in a circle of 8 meters radius with a speed of 4 meters per second. What is the magnitude of the acceleration of the train? Ans: The magnitude of the acce
homework
When two objects A and B are in thermal equilibrium with a third object (C) independently, then they (i.e. A and B) are in thermal equilibrium equally i.e. Therefore, the t
The displacement of body in particular second is given by the equation Sn=u+a (2n-1)÷2, u is speed and a is acceleration. Dimensions of Sn are?
Penetration power of proton is: (1)More than electron (2)Less than electron (3)More than neutron (4)None Ans:(2)Less than electron
50 gm of an optically active substance is dissolved in 100 ml of water. A plane polarised light, when passing through 30 cm of the solution, suffers a rotation of 390 in it's plane
Making a simple reflecting telescope A simple reflecting telescope can be made from a concave mirror obtain from a shaving mirror. The mirror is arranged wooden box of suitable
estimation of nuclear fusion on basis of liquid drop model
Electric Current: Electric current may be described as the rate of flow of charge. I=q/T Where, I = electric current q = charge T = time The unit of current i
A mild steel closed magnetic circuit has a mean length of 75mm and a cross-sectional area of 320.2mm 2 . A current of 0.40 a flows in a coil wound uniformly around the circuit
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