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An engine absorbs 1699 Joule from a hot reservoir and expels 1199 Joule to a cold reservoir in each cycle.
(a) Estimate what is the engine efficiency?
%
(b) Compute how much work is done in each cycle?
J
(c) Evaluate the power output of the engine if each cycle lasts for 0.305 sec?
W
A +44 nC charge is placed on the z- axis at (0,0,5 cm). A grounded conducting plane fills the x-y plane where z=0. A) Find the surface charge charge density on the conducting plane at the origin.
A spring with a spring constant of 500N/m is used to propel a .45kg mass up an inclined plane. find the speed of the mass as it reaches the top of the plane
A technician wraps wire around a tube of length 33 cm having a diameter of 7.9 cm, Find the self-inductance of this solenoid
A small postage stamp is placed in front of a concave mirror (radius = 1.1 m), such that the image distance equals the object distance. (a) What is the object distance
the nucleus of 8be which consists of 4 protons and 4 neutrons is very unstable and spontaneously breaks into two alpha
Calculate the Work required (in eV) to move a stationary electron from the location r3 to r5 in a hydrogen atom
A cannonball is launched from ground level and lands at ground level. If it is launched with a speed of 76.2 m/s and stays in the air for 6.4 s, What angle was the cannon shot at
A 50 g ice cube floats in 200 g of water in a 100 g copper cup; all are at a temperature of 0°C. What is the mass of the lead
A bullet of mass 0.01 kg moving horizontally strikes a block of wood of mass 1.5 kg which is suspended as a pendulum. What was the velocity of the bullet just before it struck the wooden block
During a particular car crash, it takes just 0.18 sec for the car to come to a complete stop from 50 km/hour. At what rate is the car accelerating during the crash
question a 6.80 h inductor with negligible resistance is connected across an ac source whose voltage amplitude is kept
In a certain time, light travels 5.11 km in a vacuum. During the same time, light travels only 2.54 km in a liquid. What is the refractive index of the liquid
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