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(a) Calculate the efficiency of a reversible engine that operates between the temperatures 625.0° C and 345.0° C.
(b) If the engine absorbs 141.0 kcal of heat from the hot reservoir, how much does it exhaust to the cold reservoir?
kcal
light of wavelength 610nm is incident on a slit of width .20mm and in interference pattern is produced on a screen that is 1.5m from the slit. what is the width of the central bright fringe
find the velocity of the ball when it strikes the ground
An electron is released from rest at the negative plate of aparallel plate capacitor and accelerates to the positive plate (seethe drawing). The plates are separated by a distance of 1.4 cm, andthe electric field within the capacitor has a magnitu..
She notices a group of workers down the walkway who have suddenly blocked her path, and she makes a quick stop in 1.8 seconds. What is Suzies average acceleration
Ice at -10.2 °C and steam at 136 °C are brought together at atmospheric pressure in a perfectly insulated container. After thermal equilibrium is reached, the liquid phase at 53.0°C is present.
A magician pulls a tablecloth from under a 200 g mug located 30.0 cm from the edge of the cloth. The cloth exerts a friction force of 0.100 N on the mug, and the cloth is pulled with a constant acceleration of 3.50 m/s2.
The energy required to dissociate 1 mol of O2 to form 2 mole oxygen is 118kcal. find the wavelength of the photon
Two simple pendulums have length of 81-cm and 64-cm they are released from the same angular position at the same instant. After how much time would they both arrive at their initial position simultaneously.
A loop of width 0.2m and length 0.8m, and resistance 200ohms is pulled through a magnetic field of 0.4 T at 0.2 m/sec. What is force necessary to pull the loop
A five-slit system with 7.2 micrometers slit spacing is illuminated with 655nm light. Find the angular positions of the third and sixth minima
A village maintains a large tank with an open top, containing water for emergencies. The water can drain from the tank through a hose of diameter 6.70 cm. find the friction force exerted by the nozzle on the stopper
An investigator finds a fiber at a crime scene that he wishes to use as evidence against a suspect. What is the diameter of the fiber
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