Sharks and related fish can sense the extremely weak electric fields emitted by their prey in the surrounding waters. These detectors, located in their noses and called ampullae, are so sensitive they can detect a voltage gradient of 1 ?V across1 cm of seawater.
How far apart would you have to place the poles of a 1.5 V battery to achieve the same electric field? (Choose one)
1) 6.7×10-9 m
2) 1.5×10-2 m
3) 1.5×10-6 m
4) 1.5×104 m
Answers: 1
Physics, 22.06.2019 04:20
Calculate the capacitance of a system that stores 2.0 x 10^-10c of charge at 100.0 v. use c=q/v. a. 2.0 x 10^-12 f b. 2.0 x 10^-8 f c. 5.0 x 10^11 f d. 5.0 x 10^7 f
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Physics, 22.06.2019 16:30
Using gravity, an elephant can pull a mouse towards it from the ground. true or false explain why. will give brainliest if answered fast and the best explanation
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It's a snowy day and you're pulling a friend along a level road on a sled. you've both been taking physics, so she asks what you think the coefficient of friction between the sled and the snow is. you've been walking at a steady 1.5m/s, and the rope pulls up on the sled at a 32 ∘ angle. you estimate that the mass of the sled, with your friend on it, is 65 kg and that you're pulling with a force of 80 n .
Answers: 1
Sharks and related fish can sense the extremely weak electric fields emitted by their prey in the su...
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