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Very fine smoke particles are suspended in air. The translational rms speed of a smoke particle is 2.3 x 10-3 m/s, and the temperature is 285 K. Find the mass of a particle.
Consider a cargo ship, with a mass of 5.0×10^8kg . If it is pushed by a tugboat motor (force 8.0×10^6 N), what will be the magnitude of its acceleration
What is the angle of total internal reflection (critical angle) for a glass-to-water interface
Carbon disulfide (n= 1.63) is poured into a container made of fused quartz (n= 1.46). What is the critical angle for internal reflection of a ray in the liquid
A proton at speed v=3.20*105 m/s orbits at a radius of 2.4 cm outside a uniformly charged sphere. Determine the total charge on the sphere
A water-skier is moving at a speed of 13.1 m/s. When she skis in the same direction as a traveling wave, Determine the wavelength of the wave
A 82.5-kg climber is scaling the vertical wall of a mountain. How much is the rope stretched when it breaks his fall and momentarily brings him to rest
A small .500 kg object moves on a frictionless horizontal table in a circular path of radius 1 m. The angular speed is 6.28 rad/s. The object is attached to a string of negligible mass that passes through a small hole in the table at the center of..
A baseball with a mass of 0.14 kg is moving at +35 m/s. Calculate the momentum of the baseball
If a bungee cord is stretched horizontally to a length of 2.2m , the tension in the cord is 2.3n. What is the tension in the 3.8-m-long cord
A displacement, s, of an object as a function of time, t, is given by , Find an expression for the acceleration of the object
Assuming that the bricks are lifted with constant speed, illustrate what is the minimum power the motor must produce?
An incident x-ray photon is scatterted from a free electron that is initailly at rest. What is the magnitude of the electron after its collision
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