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The mutual force of gravitational attraction between two masses is 500 Newtons.
A) If the masses are moved 5 times as far apart, what is their new mutual force of gravitational attraction?
B) If the masses are moved five times closer, what is their new mutual force of gravitational attraction?
C) If one mass is doubled and another mass is tripled and the new masses are moved four times as far apart, what is their new mutual force of gravitational attraction?
The mean or average value of the potential energy of the electron in a hydrogen atom can be found by integrating the potential function with the corresponding radial probability density. Find the average potential energy in the 2p state of atomic hyd..
A person eats a dessert that contains 280 Calories. (This "Calorie" unit, with a capital C, is the one used by nutritionists; 1 Calorie = 4186 J.
Consider a square loop of wire (sides of 0.25 m) with a resistor included. A bar magnet with the north end up front is approaching the closed loop and thus induces a current. what is the rate of energy dissipation across the resistor
a si sample is doped with arsenic impurities at a concentration of 1017 cm-3. calculate the intrinsic electron
Two adjacent natural frequencies of an organ pipe are determined to be 525 Hz and 595 Hz. (Assume the speed of sound is 343 m/s.) Calculate the fundamental frequency of this pipe.
A uniform electric field of magnitude 395 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. The electron has moved 3.00 cm. (a) What is the work done by the field on the electron? J (b) What is the change in..
Some thermometers indicate temperature by means of the thermal expansion of alcohol. by what percent does the volume change if the temperature changes by 9 F
During the year, the company sold a division which had revenue and expenses (not comprised in the previous figures) of $100,000 and $75,000, respectively. The division was sold at a loss of $55,000. All items are subject to an income tax rate of 4..
Imagine your car is powered by a fusion engine in which the following reaction occurs: 31H2 ---->2He4 + 1H1 + 0n1 The atomic masses are 1H2 ( 2.0141 u), 2He4 (4.0026 u), 1H1 (1.0078 u), and 0n1 (1.0087 u). The engine uses 4.28 x 10-6 kg of deuterium ..
The resistor, inductor, and capacitor, and voltage source described in problem 1 are connected to form an L-R-C series circuit. Problem 1:You have a 200 ohm resistor, a .400-H inductor, and a 6.00-uF capacitor.
Two balls with a net charge of - 4.0 ?C and + 10.0 ?C are separated by 2 cm. What is the electrostatic force on the positive charge
two cylinders are made of the same unknown material. the first has a radius r1 resistance r1 and mass m1. the second
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