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Question1
A puck of mass m1 = 76.0 g and radius r1 = 4.40 cm glides across an air table at a speed of = 1.50 m/s. It makes a glancing collision with a second puck of radius r2 = 6.00 cm and mass m2 = 140 g (initially at rest) such that their rims just touch. Since their rims are coated with instant-acting glue, pucks stick together and rotate after the collision.
(a) What is magnitude of the angular momentum of the system relative to the center of mass?
(b) What is an angular speed about the center of mass?
Question2
A 50.0-kg stunt pilot who has been diving her airplane vertically pulls out of the dive by changing her course to a circle in a vertical plane. a) If plane's speed at the lowest point of the circle is 95.0m/s, what is the least radius of the circle for the acceleration at this point not to exceed 4.00g? b) What is apparent weight of the pilot at the lowest point of the pullout?
A dockworker applies a constant horizontal force of 84.0\({\rm N}\) to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance 12.5\({\rm m}\) in a time 4.80\({\rm s}\)
What is the magnitude of the current in the wire as a function of time?
Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.
Phonology: All the data for this problem come from a conservative dialect of Vèneto, a Romance language spoken in northern Italy near the city of Padua.
Illustrate the cause of the components accelerating from rest down the conveyor.
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A resistor is in the shape of a cube, with each side of resistance R . Find the equivalent resistance between any two of its adjacent corners.
What is the kinetic energy
What is current temperature and peak wavelength What is the proper description of their situation
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Direction of the surface winds What is the expected composition
What are ranges of wavelength and frequency
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