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The angular position of a point on the rim of a rotating wheelies given by theta=4.0t -3.0t2 +t3, where theta is in radians and tis in seconds. What are the angular velocities at a) t=2.0sb) t=4.0s? c) what is the average angular acceleration for the time interval that begins at t=2.0s and ends at t=4.0s/ What are the instantaneous angular accelerations at d) the beginning and e) the end of this time interval?
Q. What is quantum mechanical "Tunneling"? Give one example. OR What do you mean by quantum mechanical tunneling? Show that the tunneling probability is given by the
a glass prism in the shape of a quaeter-cylinder lies on the table.a uniform,horizontal light falls on its vertical plane surface,as shown in the figure.if the radius of the cylind
Illustrates the principle of transmission electron microscope? Principle of Transmission Electron Microscope The electron microscopes are worked onto the basis of, while a b
What is a fiber optic? It is long lenses. A cylinder or rod of transparent material forming a core surrounded with an external cladding by a slightly dissimilar material. Ligh
a) The molar mass of air is 28.97 kg/kmol and the universal gas constant is 8.314 kJ/(kmolK). Show by calculation that the particular gas constant of air is around 0.287 kJ/(kgK)
What is Gravity Force (Fgrav): Force with which the earth, moon, or massively large object attracts another object towards itself. By meaning, this is the weight of the object.
Falling bodies If you can search a building that is about 20 m high in your locality you can examine how gravity makes bodies fall faster the longer it acts on them. Get a piec
A step-down transformer has 9000 turns on the primary coil and 150 turns on the secondary coil. The EMF in the primary coil is 16 V. What is the voltage being applied to th
Photoelectric electricity is produced directly from solar energy when which following are absorbed in a semiconductor to create an electric current? a) Protons b) Electron
Explain why easier to pull a lawn roller than to push it? Explaination : In Pulling, effective weight of lawn mover= mg-fsinx In pushing, effective weight = mg+
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