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As seen from above, a playground carousel is rotating counterclockwise about its center on frictionless bearings. A person standing still on the ground grabs onto one of the bars on the carousel very close to its outer edge and climbs aboard. Thus, this person begins with an angular speed of zero and ends up with nonzero angular speed, which means that he underwent counterclockwise angular acceleration. The carousel has a radius of 1.50 m, an initial angular speed of 3.14 rad/s, and a moment of inertia of125 kgm2. The mass of the person is 48 kg. Find the final angular speed of the carousel after the person climbs aboard
Identify the action reaction pairs in the following situations: a. Snowball hits a girl in the back. Snowball pushes girl's back; girl's back pushes on snowball. b. A base
Q. Explain Construction of michelsons interferometer? It consists of two highly polished plane mirror M1 and M2, with two optically plane glass plate G 1 and G 2 which are of
Q. Illustrate what are the three particles that make up an atom? Answer:- Atoms are conjured of neutrons, protons, and electrons. The protons as well as neutrons are found
Color vision and chromatic aberration: One of the remarkable ability of the eye is its ability to see color. There are three types of cones that respond to light from three
Q. How much should be the voltage of an X-ray tube so that the electrons emitted from the cathode may give an X-ray of wavelength 1 A o after striking the target? λmin = 124
#theory of tangent galvanometer
A blackhole is a region of spacetime from which gravity prevents anything, including light, from escaping. The theory of general relativity predicts that a sufficiently compact mas
What is the hall effect? Derive expression for it.
what is the unit of hardness?
Amplifier is a functioning by which the amplitude of variation of ac signal voltage / current/ power can be enhanced (i) Principle and circuit diagram: The amplifying action of
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