High School Physics › Energy and Work
A spring with hangs vertically next to a ruler. The end of the spring is next to the
mark on the ruler. If a
mass is now attached to the end of the spring, where will the end of the spring line up with the ruler marks?
Find the minimum initial height of the roller coaster if the roller coaster is to complete the
diameter loop.
A box is dropped
. How much work was done on the box?
A box is dropped
. How much work was done on the box?
A spring with hangs vertically next to a ruler. The end of the spring is next to the
mark on the ruler. If a
mass is now attached to the end of the spring, where will the end of the spring line up with the ruler marks?
A spring with hangs vertically next to a ruler. The end of the spring is next to the
mark on the ruler. If a
mass is now attached to the end of the spring, where will the end of the spring line up with the ruler marks?
Find the minimum initial height of the roller coaster if the roller coaster is to complete the
diameter loop.
A box is dropped
. How much work was done on the box?
Find the minimum initial height of the roller coaster if the roller coaster is to complete the
diameter loop.
A crate, starting from rest, is pulled across a floor with a constant horizontal force of
. For the first
the floor is frictionless and for the next
the coefficient of friction is
. What is the final speed of the crate?