chantalkgdc chantalkgdc

27-11-2022
Physics

contestada

Eighty joules are added by heat to a system, while it does 20 J of work. Later, 30 J are added by heat to the system, and it does 40 J of work. What is the change in the system's internal energy?
A. 30 J
B. 110 J
C. 50 J
D. 60 J

Respuesta :

Otras preguntas

Assume that the sales of a computer retail store are approximated by a linear function. Sales were $990,000 in 1983 and $2,830,000 in 1988. Let x=0 represent 19

An athlete with a high count of red blood cells will perform well in tests of physical endurance because (a) waste products will be removed from the body easily

which of the binomial below is a factor of this trinomial? 2x^3-18x^2+40xa) 2x+5b)x+5c)x-5d)2x-5

if x= 1/2-√3 , prove that x³-2x²-7x+5=3

what are valency and radicals

which of the following is the the correct factorization of this trinomial. -3x^2-10x-8 a) (-3x+4)(x-2) b) -(x+4)(x-3) c)-(3x+4)(x+2) d) -3(x+4)(x+2)

During a science experiment, Peter found the temperature of a certain liquid to be −a∘ Centigrade after he had raised the temperature by x degrees.Write an expr

An athlete with a high count of red blood cells will perform well in tests of physical endurance because (a) waste products will be removed from the body easily

During a science experiment, Peter found the temperature of a certain liquid to be −a∘ Centigrade after he had raised the temperature by x degrees.Write an expr

A student investigated how the pressure in a diving pool varied with depth. He filled a balloon with helium and tied it to the end of a long pole. Then he subm