30 POINTS PLS HELP Lexi is trying to cook a steak, but she has a problem! The 907g steak is frozen and at a temperature of 2.0C. She needs to get the steak to 63.0C in order for it to be safe to eat. How much energy does Lexi need to use? (The specific heat capacity of steak is 1.67 J/gC)

answer by yourhope:

how do models compare to real-world objects?

d. most models represent a real-world object in a simpler way.

: )

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

question answered by

(jacemorris04)

b) nuclear ive learned that in a pedtrodic table