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Question: An ultracentrifuge accelerates from rest to 100,000 rpm in 2.00 min.
a. What is its angular acceleration in rad/s2?.
b. What is the tangential acceleration (in m/s2) of a point 10.00 cm from the axis of rotation?
c. What is the radial acceleration in m/s2? and in multiples of g of this point at full rpm?
A 0.500-kg particle has a speed of 2.30 m/s at point A and kinetic energy of 7.40 J at point B a) what is its kinetic energy at pt A. b) what is its speed at pt B.
A glass plate having parallel faces and a refractive index of 1.54 lies at the bottom of a liquid of refractive index 1.62. Compute the angle of refraction of this light in the glass
a 0.30-kg puck initially at rest on a frictionless horizontal surface is struck by a 0.20-kg puck that is initially
A horizontal block-spring system with the block on a frictionless surface has total mechanical energy E = 55.3 J and a maximum displacement from equilibrium of 0.213 m. (a) What is the spring constant? N/m (b) What is the kinetic energy of the sys..
A uniform meter stick of mass 50 gram has its center of mass at the 50 centimeter mark. Evaluate what is the mass of the unknown
A ski gondola is connected to the top of a hill by a steel cable of length 620 m and diameter 1.3 cm . As the gondola comes to the end of its run, What is the speed of the pulse
Two wires are anchored at both ends. Wire 1 has a mass of 147 gram and a length of 9.2 meter. Determine what must be the tension in Wire 1 if its third harmonic is to equal the first overtone of Wire 2
Light of wavelength 588.0 nm illuminates a slit of width 0.68 mm. Calculate the width of the central maximum
Illustrate what is the time it takes for the bullet to hit the ground, how far down range does the bullet travel, and what is the resultant velocity (in m/s) and final angle?
The 1 kilogram standard body has an acceleration of 2.00 m/s2at 55 degree to the positive direction of the x axis. Find what is the net force in unit-vector notation
consider a common mirage formed by super-heated air just above a roadway. a truck driver whose eyes are 2.00 m above
When kicking a soccer ball, a player accelerates (a) her lower leg at 4.5radians/s2 for0.8 s. If the final angular velocity (wf) of her leg was 1.4 radians/s, what was the initial angular velocity (wi) of her leg?
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