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Problem: The specially designed armored car that was built for Leonid Brezhnev when he was head of the Soviet Union had a mass of about 6.0 x 103 kg. Suppose this car is accelerated from rest by a force of 8,100 N to the east. What is the car's velocity after 8.0 s?
A 5.5kg block is initially at rest on a frictionless horizontal surface. It is pulled with constant horizontal force of 3.8 newtons. How far does it move in this time
Body A of mass M has an original velocity of 6.0m/s in the +x dicrection toward a stationary body B of the same mass. What is magnitude of body B's velocity after collision
hen there's no torque applied, it slows down from 1800 rpm to rest in 57.0 s. Now we want to make it come to rest from 1200 rpm in 4.00 s by applying a constant torque on it. What is the minimum torque applied
A vibrating string resonates at a frequency of 280 Hertz. The next highest resonant frequency is 350 Hz. Determine what is the fundamental frequency
A sledge loaded with bricks has a total mass of 17.5 kilogram and is pulled at constant speed by a rope inclined at 19.6 degree above the horizontal. Evaluate what is the tension in the rope
A sealed glass jar contains air initially at a pressure of 1.00 atm and temperature of 0° C. Discover the air pressure when the jar is heated to 271° C. The linear expansion coefficient of the glass is 9.70*10-6 (C°)-1.
A 2130 satellite used in a cellular telephone network is in a circular orbit at a height of 800above the surface of the earth. What fraction is this force of the satellite's weight at the surface of the earth
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of 0.159 N when their center-to-center separation is 43.2 cm. calculate the positive charge in coulombs on the other
A very long solenoid of circular cross section with radius r= 4.60cm has n= 60.0 turns/cm of wire. What is the magnitude of the force on the electron
A ray of light strikes the midpoint of one face of an equiangularglass prism, at an angle of incidence of 30 degrees. find the angles of incidence and refraction at each surface
A ball is launched directly upward from ground level with aninitial speed of 19 m/s. (Air resistanceis negligible.) How long is the ball in the air? What is the greatest height reached by the ball?
What would the diffraction pattern look like if the light you used was composed of several specific wavelengths
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