Asystem uses 49 j of energy to do work, and the change in internal energy is 58 j. how much heat was added to the system?

9 j
97 j
107 j
117 j

Astudent is working in the lab to determine how time affect impulse the student keeps the force the same in each row but changes impact the time some data is shown witch trial has the greatest a student is working in the lab to determine how time affect impulse the student keeps the fours the same in each row but change is the impact time some data shown witch trial has the greatest impulse

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?