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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
Q. What does the MeV in MeV photon mean? Answer:- The MeV denotes million electron volts. It's a calculation of the energy the energy in the photon which is a quantum (or
A ray of light itinerant in air passes through a flat plate of glass. Refraction takes place. Where the refraction does occurs? Ans: Refraction takes places when light tra
A positively charged particle is pitiful southward in a downward-directed uniform magnetic field. The magnetic force is the merely force if any acting on the particle. What is the
Write a short (approx. one page) review of the contribution of one of the following people to the historical development of Physics; Aristotle Ibn al-Haytham Ga
Motion of an object in a plane is called two dimensional (2-D) motions. For 2-D motion acceleration or velocity can be explained by two elements in any two mutually perpendicular d
Consider a circular loop in a magnetic field. The loop is made of elastic material with spring constant k. It carries a current I and has radius R when unstretched. We immerse it i
Coupling Capacitor (Cc) It's an electrolytic capacitor used to couple one stage of amplification to the next stage or load. It allows only amplified ac signal to pas
Prove that the various stationary orbit are not equally spaced?
what is the reason of gravity?
Q. What are the conditions to achieve the laser action? Conditions to achieve laser action (i) There should be an inverted population that is more atoms in the excited
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