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Assume the marginal cost of production is greater than the average variable cost. Can you determine whether the average variable cost is increasing or decreasing? Explain.
A sound wave frequency 256Hz is propagating in air at 343m/s/ How far apart are two points on the wave that differ in phase by pi/2 and 90
A 1.30 kg block rests on the icy surface of a frozen pond, which you can suppose to be frictionless. If the location of the block is measured to a precision of 0.90 cm, what is the minimum uncertainty in the block's speed, assuming the mass is known ..
A student has a mass of 80.0 kg. What is the force due to gravity exerted on their body? How much negative charge must be placed on their head so that an equal amount of positive charge 1.90mdirectly above them will just balance their weight?
An Atwood machine consists of two masses that are connected bya taut string that passes over a perfect pulley. Initially the 8pound mass is suspended 3.5 ft above the floor and the 4 pound massis resting on the floor. After the large mass is released..
You and Maria each own identical spaceships. As you fly past Maria, you measure her ship to be 96m long and your own ship to be 100 m long. How long does Maria measure your ship to be
A car driving directly north on the freeway at a speed of 110 km/h and a truck is leaving the freeway driving 85 km/h in a direction 35 west of north
a tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.3 ms. the car is a
A block with mass 20 kg is sliding down a plane (coefficient of friction 0.4, inclined at 20 degrees) at a speed of 0.5 m/s to the left. how far does it go left along the plane before it comes to rest momentarily? Please explain this to me like a ..
A cylinder is rotating about an axis that passes through the center of each circular end piece. Obtain the magnitude of the force of friction applied by brake shoe
in a wire with a 1.09-mm2 cross-sectional area 5.17 times 1020 electrons flow past any point during 3.73 s. what is the
a freezer with a coefficient of performance of 3.88 is used to convert 1.75 kg of water to ice in one hour. how much electrical energy does the freezer use during this hour of operation
An overhead electric power line carries a maximum current of 125 A. What is the magnitude of the maximum magnetic field at a point 4.50 m directly below the power line?
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