A jumper in the long-jump goes into the jump with a speed of 12 m/s at an angle of 20° above the horizontal. How far does the jumper jump?
A) 3.4 m
B) 6.2 m
C) 9.4 m
D) 15 m
E) 18 m
C
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Ten m^3/s of air at 0ºC, 80% relative humidity is heated to 25ºC. Determine the amount of heat transfer required and the final relative humidity of the air. Determine the amount of water required to increase the final relative humidity to 50% at 25C. How much additional heat is then required to accomplish this humidification?
What will be an ideal response?
As viewed from above Earth's North Pole, all of the planets orbit the Sun in the same (counterclockwise) direction
Indicate whether the statement is true or false
After landing on an unexplored Klingon planet, Spock tests for the direction of the magnetic field by firing a beam of electrons in various directions and by recording the following observations: Electrons moving upward feel a magnetic force in the
northwest direction. Electrons moving horizontally toward the north are pushed downward. Electrons moving horizontally toward the southeast are pushed upward. Mr. Spock therefore concludes that the magnetic field at this landing site is in which direction? A) toward the east B) toward the northeast C) toward the southwest D) toward the southeast E) toward the west
According to current evidence, Pluto is best explained as ______.
Fill in the blank(s) with the appropriate word(s).