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Space probes require power systems that can remain functional over long periods of time. One innovative design for a small electrical power source uses the energy released by the alpha decay of curium-244. The alpha particle s emitted by the Cm-244 source lose energy as they travel through the source material, the active regions and the inactive regions. The energy lost by the alpha particles in the active regions is converted into electrical energy for a space probe.One particular alpha particle produced by the decay of curium-244 has a kinetic energy of 5.40MeV as it enters the active region. As is leaves the active region it has a speed of 4.00x10^6m/s. The alpha particle stops in the inactive region. Cm-244 has a half-life of 18.1years. The power source is no longer functional when its activity falls below 10% or its original activity.1a) Write the balanced nuclear decay equation for a Curium-244 nucleus when it emits an alpha particle (Explain the principles you used to compete the nuclear decay equation)b) What is the speed of the alpha particle as it enters the active regionc) Determine the impulse experienced by the alpha particle as it travels through the active regiond) determine the life span of this power source
A small grinding wheel has a moment of inertia of 4.0×10-5 kg m^2. What net torque must be applied to the wheel for its angular acceleration to be 160 rad s^2.
What percentage of the input energy needed to pump the water up to the top tank could you recover from the turbine as the water ran back to the bottom tank, two 15,000 litre water tanks and put one on a frame 3m higher than the other,
A 24.0V battery is in series with a switch, a 0.30Hinductor, and a 24? resistor. Find the potential differences across the inductor at t=3
Find out the tension in the strap; given that the suitcase moves with constant speed and that the coefficient of kinetic friction between the suitcase and the floor is 0.40.
A 4.00-kg mass is connected by a light cord to a 3.0 kg mass on a smooth surface. The pulley rotates about a frictionless axle and has a moment of inertia of 0.50 kg · m2.
The third-order fringe of 650 nm light is observed at an angle of 17° when the light falls on two narrow slits. How far apart are the slits
A water molecule, which is electrically neutral but has a dipole moment of magnitude p = 6.20·10-30 C m, is 3.20 cm away from a point charge q = +6.90 ?C, Calculate the magnitude of the net force
A hypodermic syringe is attached to a needle that has an internal radius of 0.303 mm and a length of 3.02 cm. What must the pressure of the fluid in the syringe be in order to inject the solution at a rate of 0.253 mL/s
A sound generator simultaneously produces two different frequencies, 240 Hz and 360 Hz. What will be the frequency of the third tone
An object with a mass of 4.0 Kg travels with a constant velocity of 8.5m/s northward. How far will the object travel before coming to rest
A 200 lbs guy wants to slide down a plastic slide 24 ft long and on a 30 degree angle, after that the slide goes horizontally for 6 feet. Taking friction into consideration, how fast would he be going down the slide.
At 20.0°C, a mainly silicon resistor has a resistance of 665 ?, and a tungsten resistor has a resistance of 752 ?. At what temperature will their resistances be equal
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