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A. The following is a nuclear equation for which type of decay process?
235/92 U -> 4/2 He + 231/90 Th
B. Describe this type of decay process. What are the other two types of decay? How are the types of decay differen'wsx23t?
C. What is the name for the length of time of a decay process? How can this be used to calculate the amount of a radioactive element, compared to its original amount?
A 60-cm-long heating wire is connected to a 120 V outlet. If the wire dissipates 45 W, what are the resistance of the wire?
Define semi-definite system - semi-definite system in simple harmonic motion
What total volume of steel can be used in making the drum if the gasoline-filled drum is to float in fresh water?
A man stands on the roof of a building of height 16.6 m and throws a rock with a velocity of magnitude 25.6 m/s at an angle of 32.5 degrees above the horizontal. find the maximum height above the roof reached by the rock
Tarzan, who weighs 820 N, swings from a cliff at the end of a 20.0 m vine that hangs from a high tree limb and initially makes an angle of 22.0 with the vertical. What is the force on him from the vine in unit-vector notation
A machine in the factory operates from 12 V. To operate from a 240 V line, What would the voltage output be if the transformer were connected backward
a. Calculate the speed of the bullet immediately before the impact.
q1. assume acceleration is constant during each time interval but not necessarily the same in both intervals what
a recording engineer works in a soundproof room that is 44.0 db quieter than the outside. if the sound intensity in the room is 1.20 x 10^-10 w/m^2, what is the intensity outside
You are now operating a Carnot engine at 40% efficiency, which exhausts heat into a heat sink at 298 K. If you want to increase the efficiency of the engine to 65%, to what temperature would you have to raise the heat reservoir?
a father racing his son has half the kinetic energy of the son who has half the mass of the father.the father speeds up
A plane traveling at 432km/h flies in a circle with a radius of 3820m. Calculate how long it takes to go once around the circle
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