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Each of the plates of a parallel plate capacitor has an area of 10.6cm^2 and a plate separaton difference of 2mm. Suppose a 20 volt power supply is connected to this capacator. Calculate the ch
The ratio of the complements of two angles is 3:2, and the ration of their supplements is 9:8. Find the two original angles.
You are given two segments, with AB = 4 and with CD = 7. Explain how you could use only the congruent-segments construction to construct with EF = 1.
If a blue filter is placed over a light source aperture so that the incident rays are blue and these rays pass through a red filter, what color should the reflected rays be?
During the process, the air is compressed to 26.0% of its original volume and the temperature is increased to 39.0°C. What is the tire pressure in pascals?
An equilateral triangle has an altitude of 15 m. What is the perimeter of the triangle?
You were directed to measure the angle of reflection when the ray was incident on either side of the normal to the surface of the mirror. What advantages does this provide?
A torque of 288 inch-pounds is required to free the nut. How much force must be exerted at the end of the 24-inch-long wrench to accomplish this task?
A ferris wheel at a carnival has a radius of 8 meters and rotates once every 15 seconds. A 10:1 scale model of the ferris wheel also rotates once every 15 seconds. Which has a higher angular velo
Juliann plans on drawing a triangle ABC, where the measure of angle A can range from 50 to 60 degrees and the measure of angle B can range from 90 to 100 degrees. Given these conditions, what is the
Points B and C are on a circle with radius 5 and lines Ab and AC are tangent to the circle. Let D be a point such that AD perpendicular to AB and BD perpendicular to BC. What is the length of AD?
Suppose your body is rotated about an axis that (1) runs vertically through your spine, or an axis that (2) runs horizontally though your hips. In which case is the moment of inertia bigger?
The engine had an efficiency of 20%. The throttle is set so that the engine cycles 10 times per second. Find the amount of heat expelled in each cycle.
Three 1.50-V cells, each with an internal resistance of 0.0500?, are connected in series to form a battery with a current of 0.850A in each cell. Find the internal resistance of the battery.
At t = 0 s, the block is 20.0 cm below the equilibrium position and moving upward with a speed of 200. cm/s. What is the block's speed when the displacement from equilibrium is 30.0 cm?
A lattice point is a point in the plane with interger coordinates. How many points are on the line segment whose endpoints are (3,17) and (48, 281)?
A cosmic ray travels 60 through the earth's atmosphere in 350 , as measured by experimenters on the ground. How long does the journey take according to the cosmic ray?
The angle bisector drawn to one side of a triangle divides the median drawn to a second side into segments whose lengths are 200 and 300.
A quarter-pound hamburger with all the fixings has a mass 210g . The food energy of the hamburger is 2.4MJ. What is the energy equivalent of the mass of the hamburger?
A photon of wavelength 0.55000 nm strikes a free electron that is initially at rest. The photon is scattered straight backward. What is the speed v of the recoil electron after the collision?
The Diagonals of parallelogram ABCD (not shown) are perpendicular. If one diagonal has a length of 10 and the other diagonal has a length of 24, find the perimeter of the parallelogram.
A starship blasts past the earth at 2.0*10^8 m/s .Just after passing the earth, the starship fires a laser beam out its back of the starship. With what speed does the laser beam approach the earth?
Angles DEF and angle ABC are supplementary angles and angle DEF is seven times as large as angle ABC. Determine the measure of each angle.
An RL circuit has a 5 kO resistor and a 1 mH inductor. This circuit is driven by a 100 Hz sine wave with 1 V amplitude. What is the amplitude of the current in the circuit?
A 4.20-g bullet embeds itself in a 20.0-kg block, which is attached to a horizontal spring with a force constant of 950 N/m.