A ball player wishes to determine pitching speed by throwing a ball horizontally from an elevation of 5 m above the ground. The player sees the ball land 20 m down range. What is the player's pitching speed?

A) 5 m/s
B) 10 m/s
C) 20 m/s
D) 25 m/s
E) none of the above


C

Environmental & Atmospheric Sciences

You might also like to view...

Which of the following is NOT true about periodic markets around the globe?

A) In Africa, markets occur every 3 to 7 days based on ethnic differences. B) Korean periodic markets are timed with the lunar cycle. C) China's periodic markets are timed to fit 3 10-day cycles in a lunar month. D) Muslim markets operate every day of the week. E) Chinese markets operate within a 3-city arrangement of which one is the central market.

Environmental & Atmospheric Sciences

Which of the following is the range of wavelengths corresponding to the maximum amount of radiation emitted by the sun?

A. 0.5 micrometre B. 1 micrometre C. 10 micrometres D. 30 micrometres

Environmental & Atmospheric Sciences

Bacteria are not a major source of protein for infaunal organisms.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

What identifies a material as a liquid, solid, or gas?

a. Physical profile b. Chemical state c. Physical property d. State of matter

Environmental & Atmospheric Sciences