The Q value for a particular reaction is -2.4 MeV, and the reaction's threshold energy is 9.60 MeV. What is the ratio of the mass of the incident particle to the mass of the stationary target nucleus?
A)
-0.75
B)
0.25
C)
3
D)
4
E)
5
C
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If a point charge is located at the center of a cube and the electric flux through one face of the cube is 5.0 Nm2/C, what is the total flux leaving the cube?
A) 20 Nm2/C B) 30 Nm2/C C) 5.0 Nm2/C D) 25 Nm2/C E) 1 Nm2/C
Where does the Kuiper belt lie?
a. between Mars and Jupiter b. between Uranus and Neptune c. between Neptune and Pluto d. in the region just beyond Neptune e. well beyond the orbits of the planets
A heat engine has an efficiency of 35.0% and receives 150 J of heat per cycle. How much work does it waste in each cycle?
What will be an ideal response?
The observation of the moons of Jupiter by Galileo Galilei suggested that:
A) Earth could not move as its moon would be left behind. B) the Solar System was actually geocentric. C) Earth could move and keep its moon. D) the only center of motion was Earth.