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A heat engine operates in a Carnot cycle between 80.0 C and 350 C. It absorbs 21000 J of energy per cycle from the hotreservoir. The duration of each cycle is 1.00s.
a) What is the mechanical power output of this engine?
b) How much energy does if expel in each cycle by heat?
A closed organ pipe is 0.5m long. If the speed of sound is 340m/s , What is the pipe's fundamental frequency
In a mass spectrometer the charged particles have to reach a common specific speed. To do so, they are accelerated with an electric field, determine the direction of the magnetic force
You come across an open container which is filled with two liquids. Since the two liquids have different density there is a distinct separation between them. what is the density of the unknown fluid
A 100 kg cannon at rest contains a 10-kg cannon ball. When fired, cannon ball leaved the cannon with a speed of 450 m/s. What is the recoil speed of the cannon.
A vertical straight wire carrying an upward 24-A current exerts an attractive force per unit length of on a second parallel wire 7.5 cm away. What current (magnitude) flows in the second wire? What current (direction) flows in the second wire?
Consider a black body of surface area 28.0 cm2 and temperature 5600 K. How much power does it radiate
An incompressible fluid flows steadily through a pipe that has a change in diameter. The fluid speed at a location where the pipe diameter is 8 cm is 1.28 m/s. What is the fluid speed at a location where the diameter has narrowed to 4.00 cm.
An electron is accelerated from rest through a uniform electric field of 4000 V/m. How much is the change of potential energy of this electron
q1. on a cool morning while the temperature is 13.0 c you measure the pressure in your car tires to be 20.0. after
Suppose you want a capacitor bank with a total capacitance of 1.450 F and you possess numerous 2.50 mF capacitors. What is the smallest number you could hook together to achieve your goal
Two identical gliders on an air track are held together by a piece of string, compressing a spring between the gliders. What velocity does the other glider have
a handball is hit toward a wall with a velocity of 13.7 ms in the forward direction.it returns with a velocity of 11.5
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