Which of the following items could be dated by the use of radiocarbon dating?
a. 65 million year old meteorite
b. 15 million year old lava flow
c. 60,000 year old metamorphic rock
d. 60,000 year old mammoth bone

A110-pound person pulls herself up 4.0 feet. this took her 2.5 seconds. how much power was developed? 0.13 hp 0.32 hp 2.0 hp 3.1 hp

Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt