The Olympic record for running the 200m dash is 19.3 seconds. What is the average speed for this record? A. 1.04 m/s
B. 5.18m/s
C.10.0m/s
D. 10.4m/s

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.

Ethanol has a heat of vaporization of 38.56 kj/mol and a normal boiling point of 78.4 c. what is the vapor pressure of ethanol at 14 c?