A neutron in a reactor makes an elastic head-on collision with the nucleus of an atom
initially at rest.
Assume: The mass of the atomic nucleus is
about 14.4 the mass of the neutron.
What fraction of the neutron's kinetic en-
ergy is transferred to the atomic nucleus?

Your pendulum clock which advances 1.0 s for every complete oscillation of the pendulum is running perfectly on earth at a site where the magnitude of the acceleration due to gravity is 9.80 m/s2. you send the clock to a location on the moon where the magnitude of the acceleration due to gravity is 1.65 m/s2.

True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong