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The amount of heat released when 3.5 grams of steam at 100 degrees Celsius is converted into liquid water at 100 degrees Celsius is __________ J.
Determine the number of calories needed to change 32 g of water at 25 degrees Celsius in to steam at 100 degrees Celcuis.
A clock has an aluminum pendulum with a period of 1.000 s at 22.1 °C. Suppose the clock is moved to a location where the average temperature is 32.7 °C. (The linear expansion coefficient for aluminum is 2.20 10-5 °C−1.)
A spring stretches 0.05 m when a 0.3 kg mass is suspended from it. find the charecteristic frequency of this mass on the spring
q1. a 59-g ice cube at 0degc is heated until 52 g has become water at 100degc and 7.0 g has become steam at 100degc.
A runner on a 100-m diameter circular track complete a full lap in 80s. What is the angular speed of the runner
An object of mass 45.0 g is initially placed in boiling water so that it is at 111° C. Then the object is dropped into a calorimeter, Find the specific heat of the object
imagine a hole is drilled down to the center of the earth. a small mass m is dropped into the hole. find the speed of the mass just as it reaches the earth's center
what is the force of kinetic friction acting on the skier. avoid the length of her car and her reaction time.
An object is located at a distance of 113 cm from a concave mirror of focal length 23.3 cm. Another concave mirror of focal length 5.61 cm is located 23.3 cm in front of the first concave mirror. What is the total magnification by the combination
A 76 kg window cleaner uses a 13 kg ladder that is 5.0 m long. He places one end on the ground 3.0 m from a wall, What is the angle of this force on the ladder
The angle is 40 degrees and the length is 7.50 m, If the seat weighs 205 N and a 866-N person is sitting in it, find the tension in the inclined cable
Water waves travelling toward a boundary where the depth changes will be partially reflected and partially transmitted at the boundary. What two factors will make the amount of partial reflection that occurs more noticeable?
Air in a piston-cylinder device is compressed from 25°C and 100 kPa to 500 kPa during a polytropic process for which Pv1.3 = constant. The air temperature after compression is
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