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A car of mass m= 1,807 kilogram is driving with constant speed v= 42.2 meter per second on a circular track of radius R = 26.7 meter. Obtain the magnitude of the acceleration of the car in m/s2?
A certain refrigerator is rated as being 31% as efficient as a Carnot refrigerator. how much work must the refrigerator motor do
If an enclosed volume of ideal has is heated, raising its temperature from 10 c to 20 c, by what factor does the pressure change
A diving board oscillates with simple harmonic motion of frequency 3.23 cycles per second. What is the maximum amplitude with which the end of the board could vibrate in order that a pebble placed there not lose contact with the board during the o..
A 20.0-kg package is dropped from a high tower in still air and is "tracked" by a radar system. Determine the force of air resistance on the package
a series circuit has r400 ohm l10 mh c 0.1 micro farad and the frequency is 7960 hz what is the power factor ?and how
We pass a laser beam through a double slit. On a screen 18.52 m away, we observe a series of bright lines which are 3.4 mm apart. What is the distance between the two slits
At a distance of 25m from an isotropic 100 MHz radio source the intensity is 120W/m2. What is the rms electric field at 25m? What is the total power transmitted by the source?
A cylindrical copper cable carries a current of 1100 A. There is a potential difference of 1.6 multiplied by 10-2 V between two points, What is the radius of the cable
jupiters moon io is has an orbital radius of 421000 km around the planet jupiter mj 1.9 x 1027 kg. this means
White light reflected at perpendicular incidence from a uniform soap film has an interference maximum at 600. nm and a minimum at 450. nm, what is the film thickness
Two small plastic spheres each have a mass of 2.0 g and a charge of -50.0 nC. They are placed 2.0 cm apart. What is the magnitude of the electric force between the spheres? Express your answer using two significant figures.
A 270 mL soda can is 5.27 cm in diameter and has a mass of 23.4 g. Such a soda can half full of water is floating upright in water. What length of the can is above the water level
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