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A 25 pF parallel-plate capacitor with an air gap between the plates is connected to a 100 V battery. A Teflon slab is then inserted between the plates, and completely fills the gap.
Part A What is the change in the charge on the positive plate when the Teflon is inserted? Express your answer using two significant figures.
A 1.8 book is lying on a 0.70 -high table. You pick it up and place it on a bookshelf 2.3 above the floor. How much work does gravity do on the book
a 1 300 kg car traveling initially with a speed of 25.0 ms in an easterly direction crashes into the back of a 9 600 kg
A spaceship moves radially away from Earth with acceleration32 m/s2. How long does it takefor the sodium streetlamps (λ congruent 589 nm) on Earth to be invisible (with a powerfultelescope) to the human eye of the astronauts? The range of visiblewave..
White light spans the wavelength range among about 400 nm and 700nm, If white light passes through two slits 0.31 mm apart and falls on a screen 1.3 m from the slits, discover the distance between the first-order violet and first-order red fringes.
business equipment for a $5,000 loss, stock investment for a $7,000 loss, and her principal residence for a $16,000 loss. Presuming adequate income, explain how much of these losses may Joan claim on her 2011 return?
A spherical wave with a wavelength of 1.66 m is emitted from the origin. At one instant of time, the phase at r=2.58 m is π radians. At that instant, what is the phase of r=4.22 m?
part of the wonder of blowing soap bubbles is watching the different colors reflect. if part of the soap bubble looks
you are standing on a platform and you throw a 5kg ball with a speed of 10 m/s at an angle of 30 degrees with respect to the horizontal. find the horizontal distance the bal travels before it hits the ground
Wires are not really ideal. The voltage drop across a current-carrying wire can be important unless the resistance of the wire is quite low. Presume a 40ft extension cord is being used to provide power to an electric lawn mower. The cord carries a 11..
A satellite of mass 410 kg is launched from a site on the Equator into a circular orbit at 5000 km above Earth's surface. DATA: Rearth=6.38×106 m. a.) What is the acceleration of gravity at this altitude? b.) What is the speed of the satellite? c.) W..
A company uses a process cost accounting system and the weighted average method for inventory costs. Calculate the equivalent units of production for direct labour for the year.
The pressure of an ideal gas remains at 200 Pa while 1000 joules of heat are removed and its internal energy increases by 2000 joules. What was the change in the volume of the gas
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