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A 50 turn coil of wire has an area of 0.33 m2. A uniform magnetic field of 0.80 T points in a direction that is perpendicular to the plane of the wire. In a time of 0.73 s the field reverses direction and points the other way with a magnitude of 0.30 T. What is the average value of the induced voltage during the time the magnetic field reversed direction?
if the sea level pressure of the atmosphere is 92.1 bars, and the density is 65.5 kg/m^3 what is the equilibrium temperature
An 80 g, 35 cm long rod hangs vertically on a frictionless, horizontal axle passing through its center. A 13 g ball of clay travelling horizontally at 2.50 m/s hits and sticks to the very bottom tip of the rod.
A 5.00-g bullet, traveling horizontally with a velocity of magnitude 360 m/s, is fired into a wooden block with mass 0.800 kg, initially at rest on a level surface. What is the decrease in kinetic energy of the bullet
The flywheel of a gasoline engine is required to give up 510J of kinetic energy while its angular velocity decreases from 630rev/min to 480rev/min, What moment of inertia is required
The two capacitors are then connected in parallel, with the positive plate of C1 connected to the negative plate of C2 and vice versa. Afterward, what are the charge on and the potential difference across each capacitor
A parallel plate capacitor of capacitance 4.1 uF has the space between the plates filled with a slab of glass with k = 2.9, Find the energy stored in the capacitor after the glass is removed
The mass of a newborn baby's brain has been found to increase by about 1.6 mg per minute. How much does the brain's mass increase in one day
The frequency of light reaching Earth from a particular galaxy is 16% lower than the frequency the light had when it was emitted. What is the speed of this galaxy relative to the Earth
A rocket is accelerating upward at 4.90m/s2 from the launchpad on the earth. If the ball is displaced 8.50 ? from the vertical and released, find the amplitude of the resulting swings of this pendulum
A 4 kg block is acted upon by three horizontal forces. 10n (to left) 5n(short arrow to right) 25n to right. what is the net horizontal force acting on the block? what is the horizontal acceleration of the block?
What is the speed of the arrow as it leaves the bow. At a height of 5 meters above the surface of a lake, a sound pulse is generated. The echo from the bottom of the lake returns to point of origin 0.130 s later. The air and water temperatures are ..
Five kilograms of liquid carbon tetrachloride undergo a mechanically reversible, isobaric change of state at 1 bar during which the temperature change from 0 C to 20 C.
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