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A series of object are being rotated. The same net torque is being applied to each object. Rank the object in order of the resultant angular acceleration (1 = lowest).
a) A solid sphere spinning about its center. Total mass is 0.5M and the radius is R.
b) A solid disk spinning about its center. Total mass is 0.5M and the radius is 2R.
c) A solid disk spinning about its center. Total mass is M and a radius of R.
d) An object consisting of two objects connected by a massless rod. Each object has a mass of 2M and is a distance R from the axis of rotation.
A woman who can row a boat at 5.1 km/h in still water faces a long, straight river with a width of 6.4 km and a current of 3.5 km/h. How long (in hours) is that shortest time
Starship Voyager has acquired some really cool propulsion technology that enables it, how much did the population of Earth age during the trip
a 25-kg iron cannonball is fired with speed 220 m/s. If it hit a concrete wall, how much does the temperature of the cannonball increase
A bullet of mass 30 g collides completely inelastically with a ballistic pendulum of mass 2.5 kg. Calculate the velocity of the bullet right before it collides with the pendulum
The vertical displacement of particles in a string (when a wave is propagating through it) is given by y = (0.02) sin[(10?)t - (8?)x], where everything is measured in standard units, meters and seconds. What is the amplitude of the wave?
A 5 kg block is placed near the top of a frictionless ramp, which makes an angle of 30o degrees to the horizontal. Find the maximum compression of the spring
an object of mass b has a speed that changes with distance d according to v bx-n. what is the force as a function of
within the discussion board area write 400-600 words that respond to the following questions with your thoughts ideas
consider a point charge with a charge q located at the origin in an empty space. let the electric potential be zero at
If the electric field at a point in space has a manitude of300 volts/meter, about how far apart are the equipopoetnial surfaces that differ by 10 volts?
In a certain time, light travels 4.78 km in a vacuum. During the same time, light travels only 2.37 km in a liquid. What is the refractive index of the liquid
A wall in a house contains a single window. The window consists of a single pane of glass whose area is 0.10 m2, what is the percentage lost by the window
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