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A certain part of an aircraft engine has a volume of 2.6 ft3.
(a) Find the weight of the piece when it is made of nickel.
(b) If the same piece is made of aluminum, what is its weight?
Determine how much weight is saved by using aluminum instead of nickel.
A dipole is formed by point charges +3.8 micro Coulomb and -3.8 micro Coulomb placed on the axis at (0.45 m, 0) and (-0.45m, 0), respectively. At what positions on the axis does the potential have the value 7.7×105 V?
A 150 kg hoop rolls along a horizontal floor so that the hoop's center of mass has speed of 0.180 m/s. How much work must be done on the hoop to stop it.
A 8.22 nC charge is located 1.82 m from a 4.38 nC point charge. (a) Find the magnitude of the electrostatic force that one charge exerts on the other.
A 1.0 ball hangs from the ceiling of a truck by a 1.0--long string. The back of truck, where you are riding with the ball, has no windows and has been completely soundproofed. The truck travels along an exceedingly smooth test track, and you feel no ..
The aluminum bomb has a mass of 0.725 kg and is placed in 2.6kg of water contained in an aluminum calorimeter cup of mass 0.624 kg. The initial temperature of the mixture is 15°C, and its temperature after ignition is 53.5°C.
Argon is a monatomic gas whose atomic mass is 39.9 u. The temperature of 9 grams of argon is raised by 75 K under conditions of constant pressure. Assuming that argon is an ideal gas, evaluate how much heat is required? J
Omega resistor using a voltmeter having an internal resistance of 10.0 Omega. Elucidate what is the potential difference does the voltmeter measure across the 5.00 Omega resistor?
Suppose you were performing the same experiment on this crate but were doing it on the moon instead, where the acceleration due to gravity is 1.62 m/s squared. What magnitude push would cause it to move? What will be its acceleration if you maintaine..
The change in the kinetic energy of the system
A 20 g ball is fired horizontally with initial speed v_0 toward a 110 g ball that is hanging motionless from a 1.10 m-long string. The balls undergo a head-on, perfectly elastic collision, after which the 110 g ball swings out to a maximum angle t..
What are magnitude and direction of the force
If the heat engine used to harvest the energy from humans was operating at the theoretical maximum efficiency what temperature would the cold reservoir have to be make this energy source viable? (Assume the hot reservoir is that of the average ski..
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