Answer the following statement(s) true (T) or false (F)
1. The rod creates an electric field in that frame.
2. The rod creates a magnetic field in that frame.
3. The proton feels an electric force in that frame.
4. The proton feels a magnetic force in that frame. Now consider a frame moving along with the proton.
5. The rod creates an electric field in that frame
1. TRUE
2. FALSE
3. TRUE
4. FALSE
5. TRUE
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How does seafloor crust differ from continental crust?
A) Seafloor crust is thinner, older, and lower in density. B) Seafloor crust is thinner, younger, and higher in density. C) Seafloor crust is thicker, older, and higher in density. D) Seafloor crust is thicker, younger, and lower in density.
Three identical springs each have the same spring constant k. If these three springs are attached end to end forming a spring three times the length of one of the original springs, what will be the spring constant of the combination?
a. k b. 3k c. k/3 d. 1.73k
A wood block is placed on top of the ice in a large bowl half full of ice. The bowl is then filled to the brim with water, with the wood block riding on top of the ice. As the ice melts,
a. the density of the water decreases. b. the water level falls below the rim. c. the water level rises and water spills out of the bowl. d. the water level does not change. e. the wood block descends, causing water to spill out of the bowl.
Earth's radius is about ______________ mi
Fill in the blank(s) with correct word