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An ocean wave has period 3.7 s and wavelength 11.2 m.
(a) Find its wave number. m^-1
(b) Find its angular frequency. s^-1
A train is travelling up a 3.2 degree incline at a speed of 3.25 m/s when the last car breaks free and begins to coast. How long does it take for the last car to come to rest.
A 69-g ice cube at 0°C is heated until 60 g has become water at 100°C and 9.0 g has become steam at 100°C. How much energy was added to accomplish the transformation? =_____ J
The emissivity of the human skin is 97.0 percent. Use 35.0 °C for the skin temperature and approximate the human body by a rectangular block with a height of 1.66 m, Calculate the power emitted by the human body
The guazes were thoroughly rinsed in the bucket until all the blood was removed. The concentration of blood in the bucket was 5x10 to the 6th cells/ml. It was already known that the patients red blood cell concentration was 5x10 to the 6th cells/m..
An old Chrysler with mass 2200 kg is moving along a straight stretch of road at 86 km/h. How fast (in km/h) is the center of mass of the two cars moving
A 0.400-kg ball approaches a very massive wall at 20.0 m/s perpediculat to wall and rebounds with 70.0% of its inital kinetic energy. find the magnitude of the change in momentum of the wall
A train is traveling down a straight track at 29 m/s when the engineer applies the brakes, resulting in an acceleration of 1.0 m/s2 as long as the train is in motion. How far does the train move during a 58-s time intervals starting at the instant t..
Two objects with masses of 3.00 kg and 5.00 kg are connected by a light string that passes over a frictionless pulley, find the distance each object will move in the first second of motion if both objects start from rest
question two particles are fixed along a straight line separated by a distance 3.2 cm. the left one has a charge 3.0 nc
If you rub and inflated balloon against your hair and then place it against a neutral wall, the balloon sticks to the neutral wall. Define the mechanism by which the balloon sticks to the wall
what is the magnitude of the electric field at the point 3.20i - 2.25j 3.85k m if the electric potential is given by v
An explosion breaks an object, originally at rest, into two fragments. One fragment acquires twice the kinetic energy of the other. What is the ratio of the masses
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