When you eat cereal and then lift weights, how is the energy
transformed?
A. The chemical energy in the cereal is
transformed into mechanical energy.
B. The thermal energy in the cereal is
transformed into mechanical energy.
C. The mechanical energy in the cereal is
transformed into chemical energy.

The earth remains in orbit around the sun due to the force of gravity. how does the force of gravity exerted by the sun on the earth compare to the force of gravity exerted by the earth on the sun?

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?