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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
Can you explain Electrical Induction?
It is based on the principle that conductivity of a semiconductor enhances with increase in the intensity of incident light. In this, a thin layer of some semiconductor (as
ROCKET PROPULSION: The motion of a rocket is an application of the law of conservation of momentum and Newton's 3rd law of motion. The gases ejected out from the combustion cha
A pendulum is timed, first for 20 swings and then for 50 swings Time for 20 swings= 17.4s Time for 50 swings= 43.2s Calculate the average time per swing in each case.
The magnetic field of Earth resembles the field of a bar magnet. The north pole of a compass needle, used for navigation, generally points toward the geographic north pole.
a rocket is launched at an angle 53 degree to the horizontal with a speed of 100 m/s. it moves along its initial line of motion with an acceleration of 30m/s for 3 seconds. at thi
The internal energy change when a system goes from state A to B is 40 kJ/mole. If the system goes from A to B by a reversible path and returns to state A by an irreversible path wh
Are end fitting standard? No, end fitting are not standard. Each system manufacturer favors a type of termination for his fibers along with threads, pressure glands, rivets or
what happens when a melt contains 1% ag with 99%pb?
An overhead light fixture holds three light bulbs. Every light bulb has a luminous flux of 1892 lm. The light fixture is 1.8 m above the floor. What is the illuminance o
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