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Stars fuse lighter nuclei to form heavier nuclei (to the extent that they are capable and the fusion process is energetically favorable). Based on the plot of binding energy per nucleon, do you expect to see fusion of uranium atoms in a star? Why/why not?
Assuming the air in the heat exchanger acts as a heat sink having an average temperature of 25°C, determine the minimum power supplied to the heat pump, in kW
A 2150 kg railroad flatcar, which can move with negligible friction, is motionless next to a platform. What is the speed of the flatcar if he then stands on it
a particular spring has a force constant of 2.0times103nm .ahow much mass would have to be suspended from the vertical
A solid sphere of mass 0.524 kg rolls without slipping along a horizontal surface with a translational speed of 5.33 m/s. It comes to an incline that makes an angle of 31.7° with the horizontal surface. Ignoring energy losses due to friction, to what..
If I have light of three different frequencies, 9.2x10^14 Hz; 6.7x10^14 Hz; 4.7x10^14 Hz that is shined on a metal surface with the observations for each frequency labled A,B, and C as follows:
Two skaters, A and B, of equal mass are moving in clockwise uniform circular motion on the ice. What is the ratio of speeds of the skaters
A 60 kg barrel is lifted 2.0 m in the air using a pulley system with a mechanical advantage of 3. How much work does the person do lifting the barrel
A car is traveling along a straight road at a velocity of +39.0 m/s when its engine cuts out. For the next ten seconds the car slows down, Find the velocity of the car at the end of the initial ten-second interval
A monochromatic light source used in a diffraction experiment has a wavelength of 4.60 X 10^-7 m. What is the energy of a photon of this light
a horizontal water main with a cross-sectional area of 186 cm2 necks down to a pipe of area 57.8 cm2. meters mounted
A ladder of mass 10 kilogram rests against a frictionless wall at an angle of 75 degree from the ground. Obtain how much force does the top of the ladder exert on wall
An electron is released from rest in a weak electric field given by -1.8 x 10-10 N/C j. After the electron has traveled a vertical distance of 1.4 µm, what is its speed
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