If a running system has a total change in the heat of 437 joules, and it is running at a temperature of 321 K, what is the entropy? A. 0.970 joules/kelvin
B. 1.36 joules/kelvin
C. 1.15 joules/kelvin
D. 1.54 joules/kelvin

Consider the following problem: a box with an open top is to be constructed from a square piece of cardboard, 3 ft wide, by cutting out a square from each of the four corners and bending up the sides. find the largest volume that such a box can have.

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.