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A football player kicks a field goal from a distance of 45 m from the goalpost.
The football is launched at a 35° angle above the horizontal.
What initial velocity is needed so that the football just clears the goalpost crossbar that is 3.1 m above the ground?
Ignore air resistance and the dimensions of the football
Neutron possesses: (1)Positive charge (2)Negative charge (3)No charge (4)All are correct Ans: (3)No charge
What do you mean by Normal shift? How can you calculate total internal reflection? Mention an application of total internal reflection.
Double-slit experiment (T. Young; 1801): A popular experiment which illustrates the wave nature of light (and indeed of other particles). Light is passed out from a small sour
A point is operating simple harmonic motion with a time period 2πs. At its mean position its speed is 0.05 m/s. Calculate its speed when it is at a distance of 0.04 m from the mean
maxwillequation
pascal; Pa The derived SI unit of pressure explained as 1 N working over an area of 1 m 2 ; thus it has units of N/m 2
A car is moving along a straight horizontal road at a speed of 20 meters per second. The brakes are applied and a constant force of 5000 Newtons decelerates the car to a stop in 1
Briefly explain with necessary theory how you will calculate refractive index of water/transparent liquid by using Newton's ring apparatus?
Q. Define critical temperature. The temperature at that electrical resistivity of the material suddenly drops to zero and the material changes from normal conductor to a super
Write a mathematical expression for deviation produced by a thin prism and illustrate the terms.
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