What is the freezing point of the substance
During a liquid-to-solid phase change of a substance, its change in entropy is -4.24 x 103 J/K. If 1.42 x 106 J of heat is removed in the process, what is the freezing point of the substance?
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Determine the acceleration and position of the bullet as a function of time when the bullet is in the barrel. use t as necessary and round all numerical coefficients to exactly 3 significant figures.
The unemployment rate of persons with a disability is typically higher than for those with no disability. Recent statistics report that the national rate of unemployment among this group is 14.5%.
A 43.3 kg boy and a 60.0 kg girl are on the surface of a frozen lake, 10.5 m apart. Using a rope, the boy exerts a horizontal 5.90 N force on the girl, pulling her toward him. Calculate the magnitude of the boy's acceleration.
When two identical ions are separated by a distance of 6.0×10-10 m, the electrostatic force each exerts on the other is 5.8×10-9 N. How many electrons are missing from each ion? Express your answer as an integer.
(c) If the charge is all brought tn the center of the disk, find the magnitude and direction of the electric field at point P. (d) Why is the field in part (a) stronger than the field in part (b)? Why is the field in part (c) the strongest of the
A long wire has a radius of 1.45 mm. If charges on the surface of the wire produce an electric field just outside its surface of 564 N/C, what is the magnitude of the electric field a distance of 2.9 mm from the wire's surface?
Use the equations of motion with constant acceleration to find the electron's speed after 1.00 multiplied by 10-8 s, assuming it starts from rest.
What is the standard deviation of the company's annual expense with the service contract for the computer?
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