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A spherical steel ball bearing has a diameter of 2.540 cm at 29.00 oC. (Assume the coefficient of linear expansion for steel is 11 x 10-6 (oC)-1)
(a) What is its diameter when its temperature is raised to 105.0oC? (Give your answer to at least four significant figures.)
(b) What temperature change is required to increase its volume by 0.800%?
two 2.0-cm-diameter insulating spheres have a 6.70cmspace between them. one sphere is charged to 83.0nc the other to -
A ceiling fan is turned on and a net torque of 2.2 N · m is applied to the blades. The blades have a total moment of inertia of 0.20 kg · m2
In table salt-sodium chloride, NaCl-the Na+and Cl^- ions are arranged in a cubic crystal structure. You can observe in this structure a cube made up of eight ions: four Na^+ and four Cl^- in alternating corners.
A person in the air above the water in a swimming pool looks straight down into the water (n = 1.33) at a diamond ring that lies on the bottom of the pool. what is the depth of the water
A plane flying horizontally at a speed of 50.0 m/s and at an elevation of 160 m drops a package of supplies. Two seconds later it drops a second package. How far apart will the two packages land on the ground?
An important factor in many biochemical cell processes is the potential difference across a cell membrane. The inside of a cellis at a lower electric potential than the outside, with a potentialdifference of 0.080 V between them.
What is the wavelength - what is the phase constant of the wave and What is the color of reflected light? What is the color of transmitted light?
Define the term ‘attenuation' and state the mathematical equation related to it's calculation. Explain how the attenuation of the beam produces the classic X Ray image of a chest
In a large centrifuge used for training pilots and astronauts, asmall chamber is fixed at the end of a rigid arm that rotates in ahorizontal circle. How long is the arm of the centrifuge
Suppose the previous hypothetical atom has TEN energy levels. Now, what is the maximum number of unique spectral lines that could be measured in the emission spectrum of the atom?
To test the deflection of the uniform 200-lb beam the 121-lb boy exerts a pull of 36 lb on the rope rigged. Calculate the force supported by the pin at the hinge O.
A 10 g particle is undergoing simple harmonic motion with amplitude of 2.0 x 10-3 m and a maximum acceleration of magnitude 8.0 x 103 m/s2. What is the period of the particle
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