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Question: Describe two different things you could do to double the value of the electric field in Example.
Example: Imagine two metal plates parallel to each other and 0.02 m apart. If you connect a 3V battery between them, you get an electric field of
E = 3 = 150 Vm-1 0.02
The velocity of a 1.30 kg block sliding down a frictionless inclined plane is found to be 1.60 m/s. what is the angle of the plane with respect to the horizontal
A robot probe drops a camera off the rim of a 388 meter high cliff on Mars, where the free-fall acceleration is 3.7 m/s2. Determine the velocity with which it hits the ground
The fire department decides to use the burning books to heat water
a coil of wire is connected to an ideal 9.0-v battery at t 0. at t 15.8 ms the current in the coil is 204 ma. one
Calculate the activity of Uranium-238 in 100 grams of uranium ore containing 5 weight percent U308. What is the expected activity of Uranium-234 in the ore
A young man owns a canister vacuum cleaner marked "532 W [at] 120 V" and a Volkswagen Beetle, which he wishes to clean. what is the actual power delivered to the cleaner
to push a certain box across a level floor at constant velocity requires that a horizontal force be applied to the box.
A wildlife researcher is tracking a flock of geese. The geese fly 4.0km due west, then turn toward the north by 40 degrees and fly another 3.5km. What is the magnitude of their displacement
You spot a plane that is 1.6 km north, 2.71 km east, and at an altitude 4.68 km above your position. How far from you is the plane? At what angle from due north (in the horizontal plane) are you looking?
A stone is thrown vertically upward with a speed of 12.0 m/s from the edge of a cliff 70.0 m high (figure 2-34). What total distance did it travel? What is its speed just before hitting?
when electrons move from the fourth energy level to the second energy level they emit visible light. explain why the
A 2,200-kg car moving east at 10.0 m/s collides with a 3,000-kg car moving north. The cars stick together and move as a unit after the collision, Find the speed of the 3,000-kg car before the collision
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