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A circular coil has 30 turns and a radius of 4 cm. The coil is placed in a magnetic field directed along the axis of the coil. The magnitude of the magnetic field varies according to: B (t) = 0.010t + 0.040 t2, where t is in seconds and B is in teslas. What is the induced emf across the coil at t = 5.00s.
A laser beam (λ = 632.8 nm) is incident on twoslits 0.220 mm apart. How far apart are the bright interference fringes on a screen 5 m awayfrom the double slits?
A toaster rated at 1055 W operates on a120 V household circuit and a 4.00 m length of Nichrome wire as its heating element. The operating temperature of this element is304°C. What is the cross-sectional area of the wire?
An electron is initially at rest. It is accelerated through a potential difference of 400 V. What is the kinetic energy of this electron
a football player tests his vertical jump by jumping straight up a distance of 47.3 inches. what was the players
A light string is wrapped around a solid cylinder and a 200 g mass hangs from the free end of the string, what is the tension and the mass of the cylinder
A girl delivering newspapers covers her route by traveling 9.99 blocks west, 4.00 blocks north, and then 1.00 blocks east
The drawing shows an intravenous feeding. With the distance shown, nutrient solution (? = 1010 kg/m3) can just barely enter the blood in the vein. What is the gauge pressure of the venous blood
A bird watcher meanders through the woods, walking 0.496 km due east, 0.754 km due south, find the magnitude (in kilometers) of the bird watcher's displacement.
The acceleration of a particle along an x axisis a = 7.0t,with t in seconds and a inmeters per second squared. At t = 3.0 s, itsvelocity is +24 m/s. What is its velocity at t =8.0 s?
When Water is boiled under a pressure of 2.00 atm, the heat ofvaporization is 2.20x106 J/kg and the boilingpoint is 120 degress C. Compute the increase in internal engergy of the water
A spacecraft is in a circular Earth orbit at an altitude of 5300km . By how much will its altitude decrease if it moves to a new circular orbit
A magnetic field near the ceiling points up and is decreasing. Looking up at the ceiling, does non-Coulomb electric field curl clockwise or counter-clockwise.
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