Joe and Bill throw identical balls vertically upward. Joe throws his ball with an initial speed twice as high as Bill. If there is no air resistance, the maximum height of Joe's ball will be
A) four times that of Bill's ball.
B) two times that of Bill's ball.
C) equal to that of Bill's ball.
D) eight times that of Bill's ball.
E) roughly 1.4 times that of Bill's ball.
A
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The length and width of a rectangle are 1.125 m and 0.606 m, respectively. Multiplying, your calculator gives the product as 0.68175. Rounding properly to the correct number of significant figures, the area should be written as
A) 0.7 m2. B) 0.68 m2. C) 0.682 m2. D) 0.6818 m2. E) 0.68175 m2.
A person throws a ball horizontally from the top of a building that is 40.0 m high. The initial velocity of the ball is 100 m/s. What is the horizontal distance that the ball travels before hitting the ground?
A) 100 m B) 286 m C) 325 m D) 367 m E) 572 m
In the chemical formula for water, H2O, what does the "2" mean?
a. There are two oxygen (O) atoms in a molecule of water. b. There are two hydrogen (H) atoms in a molecule of water. c. The hydrogen in water is actually deuterium. d. none of the above
Transform faults are areas of crustal
A) formation. B) destruction. C) subduction. D) accommodation and plate movement.