Mr. Z holds 200 kg above his head for 5 seconds. What is the work done on the weights? Given:
Sloving for:
Equation:
Substitution:
Answer with units

Order the sequence of ideas that lead to marie curies discovery of radioactive elements number the events in chronological order starting with the oldest

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?