Answer:
Class 1 Levers: Moving the fulcrum closer to the load will increase the mechanical advantage. Moving the effort farther from the fulcrum will increase the mechanical advantage.
Explanation:
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Part A.
In order for the net magnetic field at the center of the circles to be zero, the individual magnetic fields produced by the wires must cancel each other. So in terms of direction, they must be opposite. The answer is:
<span>The currents direction must be counterclockwise
Part B
We have the relationship:
I</span>₁<span>/D</span>₁<span> = I</span>₂<span>/D</span>₂<span>
10/24 = I</span>₂/38
I₂ = 15.83 A
Answer:
Th-234, Pa-234
Explanation:
In alpha decay, 2 protons and 2 neutrons are lost. So U-238 would become Th-234.
In beta decay, one neutron is turned into a proton. So Th-234 would become Pa-234.
Light acts like a wave and particle.
If there is an experiment designed to detect waves, you will see light as waves.
Similarly, if you set up an experiment to detect particles, you will see light as particles.
Basically, how you see light depends on the circumstances.
Answer: False
Explanation: The Mesozoic Era was the “age of the dinosaurs.” The era ended with “The Great Extinction” which marked the end of the dinosaurs as the Cenozoic era began.