A birdbath contains 0.5 liters of water. A rainy day adds a 215 milliliters more water to the birdbath. How many total milliliters of water are in the birdbath after it rained?

What is the internal energy of 4.00 mol of diatomic nitrogen gas n2 at 455k

Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative