An 18.0-kg suitcase falls from a hot air balloon that is at rest at a height of 385 m above the surface of Earth. The suitcase reaches a speed of 30.0 m/s just before it hits the ground. Calculate the change in internal energy of the system.

anchor = archer //

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.

answer a fan shaped mass of sediment deposited at the base of a mountain front do to an abrupt change in stream gradient;