According to the first law of thermodynamics, the change in thermal energy of an object is equal to the heat added to the object divided by the work done by the object. t f

Am i correct on these two physics questions?

Describe the three ray tracing steps used to identify an image for the given situation.

Auniform brick of length 25 m is placed overthe edge of a horizontal surface with a maximum overhang of 12.5 m attained withouttipping. now two identical uniform bricks of length25 m are stacked over the edge of a horizontalsurface. what maximum overhang is possible forthe two bricks (without tipping)? answer in units of m.