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If the energy removed from an engine as heat during one cycle is3.4x102 J, how much energy should be added to the engine through one cycle in order for it to operate at 25 percent efficiency? Answer in units of J.
If the merry-go-round completes one revolution every 5.2 s, find out the angular speed and the linear speed of each child.
An ideal monatomic gas is the working substance of a Carnot engine. During the isothermal expansion the volume doubles. Compute the temperature of the reservoirs between which the engine operates
Analog data having highest harmonic at 30 kHz generated by a sensor has been digitized using 6 level PCM
A plastic rod that hasbeen charged to -14 nC touches a metal sphere. How many charged particles were transferred
an airplane with a speed of 89.1 ms is climbing upward at an angle of 48.4 deg with respect to the horizontal. when the
A heating element in a stove is designed to dissipate 3200 W of heat when it is connected to 245 V. Assuming that the resistance is constant, calculate the current in this element if it is connected to 115 V.
Refer to your DRAFT Hypothesis and Design. Review the "Scientific Method Tutorial" (all six parts) found in "Science Learning Center" in "Course Resources" in the "Course Content" area of our electronic LEO classroom. Did you apply these concep..
An automobile traveling at 40.0 km/h has tires of 50.0 cm diameter. How far does the car move during the braking
A rifle with a weight of 25 N fires a 4.0-g bullet with a speed of 240 m/s. Find the recoil speed of the rifle
A 5g lead bullet travelling at 370-m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet whilst the other half is transmitted to the tree, what is the increase in t..
A raindrop of mass 3.27 10-5 kg falls vertically at constant speed under the influence of gravity and air resistance, What is the work done on the raindrop by air resistance
To expose photographic film, a minimum energy of 1.0 eV must be absorbed from a photon by a silver bromide molecule on the film's surface. What is the maximum wavelength of light that will expose the film?
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