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A certain part of an aircraft engine has a volume of 2.3 ft3.
Determine the weight of the piece when it is made of lead.
If the same piece is made of aluminum, determine what is its weight?
Evaluate how much weight is saved by using aluminum instead of lead.
The figure below shows three charges at the corners of a rectangle of length x = 0.35 m and height y = 0.22 m. How much work must be done to move the three charges infinitely far from one another?
A total of 34 bright and 34 dark Newton's rings (not counting the dark spot at the center) are observed as 550 -nm light falls normally on a planoconvex lens resting on a flat glass surface. How much broad is the center than the edges.
A diver performing a double somersault spins at an angular speed of4.9π rad/s precisely 0.70 s after leaving the platform.assuming the diver begins with zero initial angular speed andaccelerates at a constant rate,
Two particles with masses 2m and 5m are moving toward each other along the x axis with the same initial speed, Find the final speeds of the two particles after the collision
For a demonstration, a professor uses a razor blade to cut a thin slit in a piece of aluminum foil. evaluate the width of the slit
A coil has a DC resistance of 90 ? and animpedance of 200 ? at a frequency of 1.5 kHz. What is the inductance of the coil
Flywheels are large, massive wheels used to store energy. Find how long does it take the flywheel to reach top speed
A 3.90-kg object is attached to a spring and placed on frictionless, horizontal surface. Find the total energy of the oscillating system
Two astronauts are 1.0 m apart in their spaceship. One speaks to the other. The conversation is transmitted to earth via electromagnetic waves.
In a four-dimensional universe, a material has a linear coefficient of thermal expansion α=3.0*10-8C-1. A four-dimensional hypercube of initial hypervolume7m 4 is raised to 225°C. How much is the change in the four-dimensional hyper volume?
The puck in figure has a mass of .135 kg. If its original distance from the center of rotation is 31.2 cm, Determine the work put on the puck
A defibrillator consists of a 16.7-µF capacitor that is charged to 9.0 kV. (a) If the capacitor is discharged in 2.0 ms, how much charge passes through the body tissues? C (b) What is the average power delivered to the tissues?
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