The force on an apple hitting the ground depends upon
A) the speed of the apple just before it hits.
B) the time of impact with the ground.
C) whether or not the apple bounces.
D) all of the above
D
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The polarized nature of a water molecule means water
A. is a good natural solvent B. is a bad solvent C. is a liquid D. has a freezing point of 0?C
Stress is the force applied per unit area which the force acts. Which of the following forces are stresses?
a. Rotation stress b. Compressional stress c. Tensional stress d. Shear stress e. Both b, c, and d
When the Sun and Moon are on the same side Earth or on opposite sides of earth, the ________ tide occurs and results in the ________ tidal range between low and high tides
A) spring; greatest B) neap; greatest C) neap; lowest D) spring; lowest
Which two nations in the region gain significant revenue from foreign tourists but have seen the number of visitors fall in recent years due to political instability?
A) Syria and Lebanon B) Saudi Arabia and Yemen C) Lebanon and Libya D) Egypt and Turkey E) Iran and Iraq