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Q 1 Two identical clocks are synchronized. One is then put in orbitdirected eastward around the Earth while the other remains on the Earth. Which clock runs slower? When the moving clock returns tothe Earth, are the two still synchronized?
Q 2 Photons of light have zero mass. How is it possible that they have momentum?Q 3 If you hold water in a paper cup over a flame, you can bring thewater to a boil without burning the cup. How is this possible?
An uncharged nonconductive hollow sphere of radius16.0cm surrounds a17.0µC charge located at the origin of a cartesian coordinate system. A drill with a radius of 1.00 mm is aligned along thezaxis, and a hole is drilled in the sphere. Calculate th..
The position of a particle moving along the x axis is given by x = (32 + 40t - 8.0t2) m, where t is in s. What is the average velocity during the time interval t = 1.0 s to 3.0 s?
A box rests on top of a flat bed truck. The box has a mass of m = 18.0 kg. The coefficient of static friction between the box and truck is ?s = 0.82, what is the frictional force the truck exerts on the box
Temperatures are often measured with electrical resistance thermometers. Suppose that the resistance of such a resistance thermometer is 152 when its temperature is 25.4 °C. What is the temperature of the liquid
A coin is thrown vertically down into a well with an initial velocity of 2.5 m/s. What is the velocity of the coin
A copper sheet with length 1.77 m, width 0.587 m, and thickness 1.27 mm is oriented so that its largest surface area is perpendicular to a magnetic field of strength 4.93 T. What is the magnitude of the force on this sheet
Two cylinders each contain 0.20mol of a diatomic gas at 340K and a pressure of 3.0 atm. What is the final temperature of the gas in the cylinder A
The radius of the aorta is about 1.4cm , and the blood passing through it has a speed of about 40cm/s. Calculate the average speed of blood flow in the major arteries of the body
A certain light source is found to emit radiation whose peak value has a frequency of 1.83E+15 Hz. Calculate the temperature of the source
How many signals could fit into 1 MHz of bandwidth if each signal required 100 kHz of bandwidth and the separation between adjacent channels was 10 kHz
Find the maximum altitude reached by the rocket.Find its total time of flight.
An inexpensive microscope has a tube length of 12.0cm , and its objective lens is labeled with a magnification of 10x. Calculate the focal length of the objective lens
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