Free Fall: A package is dropped from a helicopter that is moving upward at 15 m/s. If it takes 8.0 s before the package strikes the ground, how high above the ground was the package when it was released? Neglect air resistance.
Fill in the blank(s) with the appropriate word(s).
190 m
You might also like to view...
Which of the following best explains why Jupiter’s density is higher than Saturn's?
a. Jupiter is more massive than Saturn. b. Jupiter has a higher proportion of hydrogen compounds and rock than Saturn. c. Jupiter is closer to the Sun than Saturn. d. Jupiter has a stronger magnetic field than Saturn.
Generally speaking, activity on the surface of the Sun is primarily driven by
A. electromagnetism. B. gravity. C. nuclear reactions. D. thermodynamics.
A 0.14-km wide river flows with a uniform speed of 4.0 m/s toward the east. It takes 20 s for a boat to cross the river to a point directly north of its departure point on the south bank. What is the speed of the boat relative to the water?
a. 5.7 m/s b. 8.5 m/s c. 8.1 m/s d. 7.0 m/s e. 6.4 m/s
Which of the following statements is true?
a. A kilogram is 100 grams. b. A centimeter is 100 meters. c. A terabyte is one billion bytes. d. A megaton is one million tons. e. A micrometer is 10-6 millimeter.