Force of repulsion between the aluminum and copper nucleus
An aluminum nucleus has 13 protons and 14 neutrons. A copper nucleus has 29 protons and 34 neutrons. What is the force of repulsion between an aluminum nucleus and a copper nucleus when they are separated by 10 to the -9 meters?
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A tank contains 1 m3 air at 100 kPa, 300 K. A pipe flowing air at 1000 kPa, 300 K is connected to the tank and it is filled slowly to 1000 kPa. Find the heat transfer to reach a final temperature of 300 K.
In a heart pacemaker, a pulse is delivered to the heart 76 times per minute. The capacitor that controls this pulsing rate discharges through a resistance of 1.8 x 106. One pulse is delivered every time the fully charged capacitor loses 64.4% of i
An electronic flash attachment for a camera produces a flash by using the energy stored in a 770 µF capacitor. Between flashes, the capacitor recharges through a resistor whose resistance is chosen so the capacitor recharges with a time cons
A person rolls a die, tosses a coin, and draws a card from an ordinary deck. He receives $3 for each point up on the die, $10 for a head and $0 for a tail, and $1 for each spot on the card (jack = 11, queen = 12, king = 13). If we assume that the
A hot air balloonist puts 125,000 liters of air into their balloon at 27oC and atmospheric pressure of1. When they heat the air to 200o C at constant pressure, what is the final volume of the air in the balloon?
How is the rejection region defined and how is that related to the z-score and the p value? When do you reject or fail to reject the null hypothesis? Why do you think statisticians are asked to complete hypothesis testing?
A charged conducting sphere of radius 18cm has 10 to the 12th power electrons removed from its surface. What is the surface charge density of the sphere?
Determine the probability that a failure is due to induced substance. Determine the probability that a failure is due to disease or infection.
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