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A 150g copper bowl contains 220 g of water, both at 20.0degrees C. A very hot 300g copper cylinder is dropped intothe water, causing the water to boil, with 5.00g being converted tosteam. The final temperature of the system is 100 degreesC. Neglect energy transfers with the environment.
(a) How much energy (in calories) is transfered to the water asheat?
(b) How much to the bowl?
(c) What is theoriginal temperature of the cylinder?
What are the x and y components of the shell.
A 57.0-kg skier starts from rest at the top of a ski slope of height 67.0. how fast is she going after crossing the patch
Moon effect. Some people believe that the Moon controls their activities. If the Moon moves from being directly on the opposite side of Earth from you to being directly overhead, by what percentage does (a) the Moon's gravitational pull on you inc..
A mercury thermometer is constructed as shown below. Find the change in height of the mercury column that occurs with a temperature change of 24.0°C
In a plane radio wave the maximum value of the electric field component is 5.17 V/m. Calculate the maximum value of the magnetic field component
Light in a transparent material (index of refraction 1.333) strikes the boundary with another transparent material (n=1.010). obtain the critical angle for the total internal reflection
Two identical spheres each carry a charge of = - 40.0 µC. The spheres are separated by a distance of 1.00 m. what is the electric force between the spheres
A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1020 Hz. The bird-watcher, however, hears a frequency of 1060 Hz. What is the speed of the bird, expressed as a percentage of the speed of sound?
An athlete swims the length L of a pool in a time t1 and makes the return trip to the starting poisition in a time t2. (a) If she is swimming initially in the positive x-direction, determine her average velocities symbolically in (a) the first hal..
q1. a highway curve with a radius of 555 m is banked properly for the car travelling 150 kmh. if a 1650 kg porshe 928 s
A building having a steel infrastructure is 5.94 102 m high on a day when the temperature is 0.00 °C. How much taller is the building on a day
A laser beam shines onto a slit of width 0.1 mm and the diffraction pattern is projected onto a screen 2 m from the slit. what is the wavelength of the laser beam
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