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A 10-turn circular couil of radius 20mm carries a current of0.50 A. Find the magnetic field magnitude at its center.
A 21 g bullet travelling at 255 m/s is fired into a 0.452 kg wooden block anchored to a 100 N/m spring. How far is spring compressed to the nearest thousandth of a meter.
A person 1.8 m tall stands 0.74 m from a reflecting globe in a garden. How large is the person's image
A 100-g piece of metal initially at 100 C is placed in a 250 gof water contained in a 300-g aluminum vessel initially at 20.o C. what is the specific heat of the unknown piece of metal
A 40.0 cm long organ pipe is filled with air at 0 degrees C and is open at both ends. What is the beat frequency between the fundamental frequencies of the two organ pipes
An electron moves with a speed of 8.0 × 10^6 m/s along the +-axis. It enters a region where there is a magnetic field of 2.5 T, Calculate the magnitude of the magnetic force on the electron
question1a 2 kg ball of clay travelling west at 10 ms collides with 1 kg ball of clay travelling north at 5 ms. what is
A particle is uncharged and is thrown vertically upward from ground level with a speed of 25.0 m/s. As a result, it attains amaximum height h. The particle is then given a positive charge +qand reaches the same maximum height h when thrown vertica..
A simple camera telephoto lens consists of two lenses. The objective lens has a focal length f1 = +44.0 cm. How far behind the concave lens should the film be placed
An electron ejected from an orbital of a diatomic molecule by 21.22 eV radiation was found to have a speed of 1.90 Mm s-1. To what ionization energy does that correspond?
A charge q= +5.80 uC is located in the center of a regular tetrahedron, Find the total electric flux through the tetrahedron, the electic flux through one face of the tetrahedron
The drawing shows a person looking at a building on top of which an antenna is mounted. The horizontal distance between the person's eyes and the building is L = 98.1 m. How tall is the antenna
At a reception, a 0.5 kg chunk of ice at -10 degres Celsius is placed in 3.0 kg of "iced" tea at 20 degrees Celsius. At what temperature and in what phase will the final mixture be
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