Unknown mass
find mass for cart on left. the mass for both without the masses on top is 500
what is missing mass
2494 1682

857

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is transformed ⇒ as it changes into other forms of energy.

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

Suppose while hauling rocks, you accidentally drop one. it breaks apart in flat, planar sections. what type of rock did you just drop? 20 points