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The carbon isotope 14-C is used for carbon dating of archeological artifacts. 14-C (mass 2.34 x 10^-26kg) decays by the process known as beta decay in which the nucleus emits an electron (the beta particle) and a subatomic particle called a neutrino. In one such decay, the electron and the neutrino are emitted at right angles to each other. The electron(mass 9.11 x 10^-31kg) has a speed of 5.00×10^7m/s and the neutrino has a momentum of 8.10×10^-24kg m/s.
part A: What is the recoil speed of the nucleus?
An aluminum wire has a cross-sectional area of 2.70x 10^-6 m^2 and carries a current of 7.50 A. The mass density of aluminum is 2.70 g/cm^3. find the average speed of the electons in the wire.
It shouldn't matter how many calories were consumed or how long the person walked or ran, we are just making a comparison of burning calories while exercising at 5km/h and 15km/h.
A college student produces about 135 kcal of heat per hour on the average. What is the rate of energy production in watts
Assuming an electron free Earth. Find the force on a single proton just above Earths surface under these conditions. Compare your answer with the weight of the proton.
The power is off for 34.0 s and throughout this time the flywheel slows as a result of friction in its axle bearings. Throughout the time the power is off, the flywheel makes 180 complete revolutions.
A space of 100 cm3 and one of 300 cm3 seperated by a capillary tube, in which a tap is arranged, connected. How big is the pressure in the related areas
While a hybrid car brakes to come to a stop at a traffic light, describe the energy transfer and materials used to transfer of this energy
A uniform ring with a radius of 2.15 cm and a total charge of 6.37 ?C rotates with a constant angular speed of 3.84 rad/s, What is the magnetic moment of the rotating ring
If the lamp's 215 W output is focused on a person's shoulder, over a circular area 25.0 cm in diameter, Find the peak magnetic field strength
During a hard sneeze, your eyes might shut for 0.50s. If you are driving a car at 90 km/h during such a sneeze, how far does the car move during time.
A production line inspector wants a mirror that produces an upright image within magnification of 7.4 when it is located 15 mm from a machine part.
a bowling ball rolls across a horizontal roof with a speed of 8.57m/s If the roof is 12.5m/s above ground how far from the base of building will the ball land
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